Academic literature on the topic 'Nutritional Scienes (Theses)'
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Journal articles on the topic "Nutritional Scienes (Theses)"
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Cawood, Abbie L., Emily R. Walters, Trevor R. Smith, Rachel H. Sipaul, and Rebecca J. Stratton. "A Review of Nutrition Support Guidelines for Individuals with or Recovering from COVID-19 in the Community." Nutrients 12, no. 11 (October 22, 2020): 3230. http://dx.doi.org/10.3390/nu12113230.
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COVID-19 negatively impacts nutritional status and as such identification of nutritional risk and consideration of the need for nutrition support should be fundamental in this patient group. In recent months, clinical nutrition professional organisations across the world have published nutrition support recommendations for health care professionals. This review summarises key themes of those publications linked to nutrition support of adults with or recovering from COVID-19 outside of hospital. Using our search criteria, 15 publications were identified from electronic databases and websites of clinical nutrition professional organisations, worldwide up to 19th June 2020. The key themes across these publications included the importance in the community setting of: (i) screening for malnutrition, which can be achieved by remote consultation; (ii) care plans with appropriate nutrition support, which may include food based strategies, oral nutritional supplements and referral to a dietitian; (iii) continuity of nutritional care between settings including rapid communication at discharge of malnutrition risk and requirements for ongoing nutrition support. These themes, and indeed the importance of nutritional care, are fundamental and should be integrated into pathways for the rehabilitation of patients recovering from COVID-19.
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Jones-McLean, Elaine M., Bryna Shatenstein, and Susan J. Whiting. "Dietary patterns research and its applications to nutrition policy for the prevention of chronic disease among diverse North American populations." Applied Physiology, Nutrition, and Metabolism 35, no. 2 (April 2010): 195–98. http://dx.doi.org/10.1139/h10-003.
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Dietary patterns research is being pursued to provide a comprehensive way to characterize dietary exposures and explore diet–disease relationships. This paper outlines the need for further research into dietary pattern methodologies, and introduces papers presented at the Canadian Society for Clinical Nutrition–Canadian Society for Nutritional Sciences (now called Canadian Nutrition Society) Conference, held in Québec City in 2009. Themes that emerged include inconsistency of evidence linking diet patterns to risk of certain diseases, methodological issues around data collection and analysis, and the limitations of dietary pattern research for nutrition policy and recommendations.
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Burke, Louise M., and John A. Hawley. "Swifter, higher, stronger: What’s on the menu?" Science 362, no. 6416 (November 15, 2018): 781–87. http://dx.doi.org/10.1126/science.aau2093.
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The exploits of elite athletes delight, frustrate, and confound us as they strive to reach their physiological, psychological, and biomechanical limits. We dissect nutritional approaches to optimal performance, showcasing the contribution of modern sports science to gold medals and world titles. Despite an enduring belief in a single, superior “athletic diet,” diversity in sports nutrition practices among successful athletes arises from the specificity of the metabolic demands of different sports and the periodization of training and competition goals. Pragmatic implementation of nutrition strategies in real-world scenarios and the prioritization of important strategies when nutrition themes are in conflict add to this variation. Lastly, differences in athlete practices both promote and reflect areas of controversy and disagreement among sports nutrition experts.
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Dzinamarira, Tafadzwa, Gashema Pierre, Itai Chitungo, Michael Habtu, and Rosemary Okova. "A Scoping Review on Nutrition Challenges Among People Living With HIV/AIDS in Sub-Saharan Africa." Global Journal of Health Science 11, no. 12 (October 9, 2019): 109. http://dx.doi.org/10.5539/gjhs.v11n12p109.
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The connection between under-nutrition and HIV is bidirectional. It affects the quality of life, as well as the survival of affected people. While this is the case, there are various nutritional challenges, which are faced by people living with HIV/AIDS (PLWH), and which hamper the fight against the scourge. This study therefore sought to map literature on the nutritional challenges among PLWH in sub-Saharan Africa and guide future research in nutritional management to improve health outcomes for PLWH. A systematic search was done from the following sources: PubMed, the Cochrane Database of Systematic Reviews, EBSCOhost (CINAHL and Academic Search Complete), Web of Science, and Google Scholar. In addition, information was obtained both from unpublished studies, which included book chapters, reference lists, theses and conference papers. Eleven (11) studies met the inclusion criteria, and were used for data extraction. The studies were based in different countries, which form part of the Sub Saharan Africa. One of the studies was carried out in Senegal, two studies were carried out in various West African countries, one study was carried out in Burkina Faso; one study was carried out in Ethiopia and one of the studies was carried out in different countries forming part of the Sub Saharan Africa. Two of the studies were carried out in Zambia, one in Zimbabwe, one in Cameroon, and one in Ghana. Most of the studies established the main nutrition challenge facing PLWH to be food insecurity. Based on the findings of the study, it can be concluded that some of the main nutrition challenges include food insecurity, lack of nutritional support among PLWH, late detection of HIV, huge cost of treating severe acute malnutrition, and lack of feeding supplementations.
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Galieni, Angelica, Beatrice Falcinelli, Fabio Stagnari, Alessandro Datti, and Paolo Benincasa. "Sprouts and Microgreens: Trends, Opportunities, and Horizons for Novel Research." Agronomy 10, no. 9 (September 19, 2020): 1424. http://dx.doi.org/10.3390/agronomy10091424.
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Sprouts and microgreens have attracted tremendous interest across multiple disciplines in recent years. Here, we critically review the most recent advances to underscore research prospects and niches, and related challenges, not yet addressed or fully pursued. In particular, we report a number of themes that merit special attention as a result of their relevance to plant science, nutrition, health, and zootechnics: (1) species not yet or inadequately investigated, such as wild plants, and fruit tree strains; (2) abiotic and biotic factors, and biostimulants, for elicitation strategies and metabolic engineering; (3) sanitization and processing technologies to obtain high-quality products; (4) digestive fate and impact of bioactive elements, antinutrients, and allergens on human nutrition; (5) experimental challenges to researching health benefits; (6) the opportunity to generate natural product libraries for drug discovery; and (7) sprouts in animal feeding to improve both animal health and the nutritional value of animal products for the human diet. The convergence of different themes involving interdisciplinary competencies advocate fascinating research pursuits, for example, the elicitation of metabolic variants to generate natural product collections for identification and selection of bioactive chemicals with a role as nutraceuticals, key constituents of functional foods, or interactive partners of specific drugs.
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Walsh, Erin, and Nicolas Cherbuin. "Mapping the Literature on Nutritional Interventions in Cognitive Health: A Data-Driven Approach." Nutrients 11, no. 1 (December 24, 2018): 38. http://dx.doi.org/10.3390/nu11010038.
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Manual review of the extensive literature covering nutrition-based lifestyle interventions to promote healthy cognitive ageing has proved educational, however, data-driven techniques can better account for the large size of the literature (tens of thousands of potentially relevant publications to date) and interdisciplinary nature, where relevant publications may be found. In this study, we present a new way to map the literature landscape, focusing on nutrition-based lifestyle interventions to promote healthy cognitive ageing. We applied a combination of citation network analysis and text mining to map out the existing literature on nutritional interventions and cognitive health. Results indicated five overarching clusters of publications, which could be further deconstructed into a total of 35 clusters. These could be broadly distinguished by the focus on lifespan stages (e.g., infancy versus older age), and specificity regarding nutrition (e.g., a narrow focus on iodine deficiency versus a broad focus on weight gain). Rather than concentrating into a single cluster, interventions were present throughout the majority of the research. We conclude that a data-driven map of the nutritional intervention literature can benefit the design of future interventions, by highlighting topics and themes that could be synthesized across currently disconnected clusters of publications.
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Vasconcelos, Francisco de Assis Guedes de. "The construction of scientific knowledge in Food and Nutrition: Analysis of dissertations and theses in the Brazilian post-graduation programs in Nutrition." Revista de Nutrição 28, no. 1 (February 2015): 5–16. http://dx.doi.org/10.1590/1415-52732015000100001.
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Objective: To analyze dissertations and theses produced by graduate programs in nutrition in Brazil from 2003 to 2012. We sought to identify: a) The number of studies produced per year b) the scientific approach (quantitative, qualitative, or mixed), and c) the area of knowledge in the scientific field of nutrition. Methods: This is a descriptive study. We investigated seven graduate programs linked to the area of nutrition of the Coordination for the Improvement of Higher Education Personnel, which had the web pages listing the studies. The analysis procedures included reading the titles, identifying the advisor's lines of research, reading the summaries, and reading the methods section. Results: In the study period 758 dissertations and 204 theses were defended, signifying an increase of 229.0% for the all programs. The hegemony of the quantitative approach shows the influence of the philosophical trends linked to positivism and the biological sciences, attracting interest from 92.5% of researchers. The qualitative and mixed approaches contributed only to 7.3% of the studies, expressing the influence of the social sciences and humanities and of the philosophical trends' dialectics and phenomenology about a small group of researchers. Conclusion: The distribution of dissertations and theses in the six areas of knowledge reaffirms the complexity, breadth, epistemological, and methodological heterogeneity; and the configuration of the field of knowledge production in food and nutrition, requiring the construction of collective political projects, seeking the interdisciplinarity of the different areas that structure the field.
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Fadeur, Marjorie, Jean-Charles Preiser, Anne-Marie Verbrugge, Benoit Misset, and Anne-Françoise Rousseau. "Oral Nutrition during and after Critical Illness: SPICES for Quality of Care!" Nutrients 12, no. 11 (November 14, 2020): 3509. http://dx.doi.org/10.3390/nu12113509.
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Malnutrition is associated to poor outcomes in critically ill patients. Oral nutrition is the route of feeding in less than half of the patients during the intensive care unit (ICU) stay and in the majority of ICU survivors. There are growing data indicating that insufficient and/or inadequate intakes in macronutrients and micronutrients are prevalent within these populations. The present narrative review focuses on barriers to food intakes and considers the different points that should be addressed in order to optimize oral intakes, both during and after ICU stay. They are gathered in the SPICES concept, which should help ICU teams improve the quality of nutrition care following 5 themes: swallowing disorders screening and management, patient global status overview, involvement of dieticians and nutritionists, clinical evaluation of nutritional intakes and outcomes, and finally, supplementation in macro-or micronutrients.
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Zhang, Zhuoshi, John Monro, and Bernard Venn. "Carbohydrate Knowledge and Expectations of Nutritional Support among Five Ethnic Groups Living in New Zealand with Pre- and Type 2 Diabetes: A Qualitative Study." Nutrients 10, no. 9 (September 4, 2018): 1225. http://dx.doi.org/10.3390/nu10091225.
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Despite availability of diabetes and nutrition information for people with pre- and type 2 diabetes, the uptake and understanding of these resources may differ among ethnic groups. Our objective was to explore dietary knowledge and diabetes experiences amongst Māori, European, Pacific Island, Indian and East Asian people living in New Zealand with a focus on carbohydrate-containing foods. A registered diabetes dietitian led ethnic-specific discussions in groups involving 29 people with pre- or type 2 diabetes. Discussions were audio-recorded, fully transcribed and coded independently by two investigators. Themes were developed using deductive and inductive techniques. Five themes emerged: knowledge, concerns, achievements, simplicity and self-determination. Nutritional knowledge was lacking and a greater awareness of trustworthy dietary resources was needed. There were concerns about diabetes complications and appropriate carbohydrate-containing foods and portions. Contrary to this, people felt proud when achieving dietary goals and grateful for support from health care providers and family. Participants were willing to engage in self-care if advice from health professionals was given in plain language, and in a culturally appropriate manner. Given the desire to take an active role in diabetes self-management and willingness to use electronic devices, an ethnic-specific nutrition education resource could be a valuable tool.
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O'Mahony, Breda, Claire Kerins, Celine Murrin, and Colette Kelly. "Barriers and facilitators to the implementation of nutrition standards for school food: a mixed methods systematic review protocol." HRB Open Research 3 (May 4, 2020): 20. http://dx.doi.org/10.12688/hrbopenres.13041.1.
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Background: The importance of nutrition during childhood and the high prevalence of child and adolescence obesity has resulted in several countries implementing nutritional standards for school food as a way of providing healthy school food environments. Yet there has been less focus on the barriers and facilitators influencing the process of implementing school food standards. This mixed methods systematic review aims to address this evidence gap by synthesising the empirical evidence on the factors that may influence implementation of school food standards. Methods: This mixed methods systematic review will use qualitative, quantitative and mixed methods evidence from peer reviewed publications retrieved from the following databases; PubMed, CINAHL, Scopus, EMBASE, PsycINFO and Web of Science. Grey literature will be accessed through Google Scholar, Open Access Theses and Dissertations, OpenGrey, RIAN, EThOS, ProQuest, WorldCat, Networked Digital Library of Theses and Dissertations, and public health organisation websites will also be accessed. Screening reference lists and citation chaining of all included studies will also be undertaken. No restrictions on publication date or language will be applied, however, only primary research studies relevant to supply-side stakeholders will be eligible for inclusion. Study quality will be assessed using the Mixed Methods Appraisal Tool. Study titles and abstracts will be screened to decide whether the full text manuscript should be retrieved. For screening reliability, a second review author will assess a random sample of 20%. Kappa statistics will be used to assess inter-rater reliability, with values of 0.75 and higher representing high agreement. Two authors will independently extract data and factors reported to influence implementation. This will be synthesized using the Theoretical Domains Framework. Discussion: A comprehensive understanding of these factors can provide guidance to relevant stakeholders to enhance the adaption, implementation and sustainability of nutrition standards for school meals. Systematic review registration: PROSPERO CRD42019117904
Dissertations / Theses on the topic "Nutritional Scienes (Theses)"
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Dennison, D. T. "A nutritional and financial evaluation of breeding African Grey parrots (Psittacus erithacus)." Thesis, Stellenbosch : University of Stellenbosch, 2004. http://hdl.handle.net/10019.1/2768.
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Thesis (MPhil (Animal Sciences))--University of Stellenbosch, 2004.African Grey Parrots are now being bred on a commercial scale in South Africa, mainly for the export market. In order to produce the best breeding results it is necessary to formulate balanced diets but no research has been done on the feeding value for African Grey parrots of ingredients used in formulating diets. Once the apparent metabolisable energy (AME) of extruded maize for African Greys has been established it will be possible to calculate the AME of other ingredients such as full fat soya, soya oil cake or sunflower oil cake. By feeding an extruded mix containing a known amount of maize mixed with a known amount of soya oil cake and establishing experimentally the AME of the mix, the AME of soya oil cake for African Greys can be calculated by difference. This information will make it possible to decide whether AME results obtained for poultry can be used in formulating diets for African Grey parrots. The study consisted of two parts where the determination of the apparent metabolisable energy (AME) of extruded maize and the practical application thereof in formulating parrot diets, and the economic viability of a commercial African Grey parrot breeding operation was investigated. A reference procedure adopted by several European laboratories for the in vivo determination of metabolisable energy (ME) was used to determine the apparent metabolisable energy (AME) of extruded whole maize for African Grey parrots. The long term goal is to make a well balanced, extruded diet for these birds. Extruded maize is the form in which maize is generally included in commercial parrot diets and was therefore chosen as the experimental feed. Maize can be conveniently extruded with other single ingredients such as full fat soyabean meal, soyabean oil cake meal or sunflower oil cake meal to determine, by difference, the AME of those ingredients. For the first part of the study, ten, 3-year-old African Grey parrots were individually housed and fed in cages designed to facilitate collection of the faeces. Cage design varied between a tall type (n=6) and a low type (n=4). The parrots were acclimatized to their new environment before the trial commenced to ensure normal feeding behaviour. The average AME value established for the ten African Grey Parrots was 16.8 MJ/kg. In the trial it became apparent that it is very difficult to get consistent results with the cages used and a modified cage design is proposed for the future. The second part of the study investigated the economic viability of breeding African Grey parrots commercially, with extruded maize as part of their diet. It was generally concluded that the breeding of African Grey parrots for the pet market can be considered as an economical venture.
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Qiao, Yanrui. "Routine techniques for monitoring the nutritional value of animal meals." NCSU, 2001. http://www.lib.ncsu.edu/theses/available/etd-20011030-112347.
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Feed mills demand routine techniques to analyze digestible amino acids in highly variable animal meals. As routine tools, infrared spectroscopic predictions of digestible amino acids require reference samples assayed in vivo. Lack of reference samples resulting from costly and time-consuming in vivo assays has limited infrared spectroscopic applications. To remove this limitation, an in vitro assay mimicking in vivo digestion in swine was sought as a replacement to build the reference database.
Pepsin and pancreatic proteases used in the in vitro assays produce autolysates that are assayed as digestible amino acids. To correct this contamination and define incubation time for efficient use of the proteases, the autolysis of these proteases was studied. Correction of enzyme contamination with enzyme blank incubations and incubation time of 24 hours for pepsin and 96 hours for pancreatic proteases were proposed (Chapter III and IV).
In vitro digestion focused on maximal hydrolysis of peptide bonds with minimal enzyme usages for restriction of enzyme contamination. The minimal enzyme usage was determined to be 6.5% (enzyme to substrate ratio) (Chapter V).
Study on absorption of peptides in swine revealed that all soluble in vitro peptides could be estimated as digestible in vivo. Average in vitro digestibility coefficients were comparable to in vivo for a number of amino acids but mismatch occurred for individual samples. In vivo digestible amino acids, though, could be predicted with in vitro digestible amino acids. For example, lysine was predicted with an error of 0.27% (Chapter VI).
Total and digestible amino acids were predicted with near infrared reflectance spectroscopy (NIRS) and mid infrared Fourier transform infrared spectroscopy (FTIR) but not with Raman spectroscopy. Infrared spectroscopic prediction errors for digestible lysine were 0.27% for near infrared spectroscopy and 0.26% for mid infrared spectroscopy. Total amino acids seemed better predicted than digestible amino acids by infrared spectroscopy (Chapter VII).
The study showed that as routine techniques, infrared spectroscopy could potentially replace both in vivo and wet chemical analyses of amino acids.
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Wisniewska, Malgorzata. "Factors Influencing Travel Order as Proxy for Leadership and Trade-offs in Activity Budgets in Lactating and Nonlactating African Savanna Elephants." TopSCHOLAR®, 2011. http://digitalcommons.wku.edu/theses/1121.
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Nutritional and energetic needs of female mammals depend upon size or reproductive investment and shape individual activity budgets and behavioral patterns. To maximize nutritional and energetic intake females may increase time allocated to foraging or access resources through risk-prone behaviors, represented as aggression or leadership. Conversely, to minimize nutritional and energetic spending females may engage in risk-averse activities such as resting or nonaggressive social interactions. Females with the highest needs should exhibit activities and behaviors that facilitate the greatest nutritional and energetic returns or highest metabolic savings. The propensity for risk-prone behaviors may be greater among older as well as lactating females. Older individuals tend to be larger and more experienced than younger conspecifics. Moreover, lactating females are under substantially greater energetic, nutritional and water stresses than nonlactating individuals. Therefore, to fulfill greater nutritional and energetic needs, older and lactating females may allocate more time to foraging or rest or be more assertive during search for and defense of resources. I assessed the relative effects of age, reproductive condition and sex of nursing offspring on activity budgets, the frequency of risk-prone and risk-averse behaviors such as leadership propensity, and chemosensory inspection of the surroundings in female African savanna elephants (Loxodonta africana africana). To quantify activities and behavioral patterns I used focal animal sampling with continuous recording. I determined leadership by the position in a mobile herd, where the first and last positions were considered as ends, and the center was considered as a middle position. I discovered that older females stood more, were more aggressive, socialized less and traveled closer to the end of a traveling group than younger females. Females that were lactating spent more time foraging, were more aggressive and engaged in nonaggressive social interactions less frequently than their nonlactating conspecifics. Finally, females nursing female calves spent more time foraging than females nursing male calves, but the latter spent more time nursing and standing. These results elucidate how individual nutritional and energetic needs influence the activity budgets as well as the propensity to exhibit risk-prone and riskaverse behaviors in female elephants and thus add to a body of work examining mammalian female activity budgets shaped by individual differences such as age and reproductive condition.
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Tolbert, Shannon Marie. "Enhancing weight gain in long-term care residents at risk for weight loss through protein and calorie fortification." [Johnson City, Tenn. : East Tennessee State University], 2004. http://etd-submit.etsu.edu/etd/theses/available/etd-0329104-095404/unrestricted/TolbertS041204f.pdf.
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Thesis (M.S.)--East Tennessee State University, 2004.Title from electronic submission form. ETSU ETD database URN: etd-0329104-095404. Includes bibliographical references. Also available via Internet at the UMI web site.
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Scurich, Justin J. "STRAWBERRY GROWTH, YIELD, FRUIT NUTRITION, AND CONTROL OF VERTICILLIUM WILT WITH PRE-PLANT SOIL FUMIGANTS, OZONE, AND BIOLOGICAL CONTROL." DigitalCommons@CalPoly, 2012. https://digitalcommons.calpoly.edu/theses/714.
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Verticillium wilt is a widespread soilborne disease of strawberry historically controlled by soil fumigation with methyl bromide (MB). MB was banned by the United Nations in 1995 and will be completely phased out by 2015. Research has concentrated on alternative methods of disease control without finding a single alternative able to replace MB in widespread disease control and yield increase. For the current study, strawberries were greenhouse grown in container pots filled with soil from both infested and non-infested areas of a commercial strawberry field in Watsonville, CA. Treatments included pre-plant soil fumigation with commercially available formulations of methyl bromide, chloropicrin, and 1, 3-Dichloropropene. Additional treatments included ozone gas (six treatments) and biological control (three treatments). Collected data included total plant yield, individual berry weight, number of fruit produced per plant, plant vegetative weight, infection status, and mineral concentration of fruit (calcium, magnesium, potassium, iron, zinc, manganese, carbon, and nitrogen). Plants grown in ‘clean’ soil were less likely than plants grown in ‘infested’ soil to be infected with Verticillium. Plants grown in soil treated with MB had higher plant weight and yield than did non-treated control. Ozone and biological control treatments did not have statistically higher yield than non-treated control plants nor statistically lower yield than plants grown in soil treated with MB. Individual berry weights had a narrow range while the number of berries produced per treatment had a wide range. Data suggests strawberry yield is dependent on the number of berries produced per plant. Plants with high vegetative weight produced the highest yield suggesting large plants produce many berries resulting in higher yield.
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Lucca, Julie Ann. "ASSOCIATIONS BETWEEN ALCOHOL CONSUMPTION AND FASTING BLOOD GLUCOSE IN YOUNG ADULTS." DigitalCommons@CalPoly, 2013. https://digitalcommons.calpoly.edu/theses/1057.
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Current research shows moderate alcohol consumption is associated with decreased risk of diabetes and excessive consumption or binge drinking can cause insulin resistance and diabetes. In 2010, diabetes was the seventh leading cause of death in the United Statesand was responsible for significant health complications: blindness, kidney failure, and limb amputations, and is a large national economic burden. Fasting blood glucose (FBG) is a tool used to help diagnose diabetes. Abnormally high FBG, ≥100 mg/dl, is indicative of diabetes and pre-diabetes. Few studies have observed diabetic prevalence among young adults or college students. Studying young adults can help provide added information about early risk factors for diabetes and pre-diabetes, facilitating public health efforts to stem the rising tide of the diabetes epidemic. This study aimed to research the associations between alcohol consumption (numbers of days alcohol consumed in the past month and binge alcohol consumption in the past month) and FBG in a college population as part of the FLASH cohort study. FBG levels were measured in 141 young adult participants and alcohol consumption was determined by self report. Other individual-level characteristics and potential confounding variables were also collected. The association between alcohol consumption and FBG followed a J-shaped curve whereby students who reported drinking 6-8 days within the last 30 days showed significantly lower FBG levels than those who did not drink and those who consumed alcohol on nine or more days (p=0.04). Binge drinking did not have a significant association with FBG (p=0.4). Sex and body mass index were also significantly associated with FBG. In conclusion, moderate frequency of alcohol consumption is found to have an inverse relationship with FBG and excessive drinking can reverse these effects.
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Nalle, Catootjie Lusje. "Nutritional evaluation of grain legumes for poultry : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Poultry Nutrition at Massey University, Palmerston North, New Zealand." Massey University, 2009. http://hdl.handle.net/10179/1021.
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The nutritional value of faba beans (Vicia faba), Australian sweet lupins (Lupinus angustifolius), white lupins (Lupinus albus) and peas (Pisum sativum) grown in New Zealand for broilers were evaluated in terms of their nutritional characteristics, protein quality (protein efficiency ratio), apparent metabolisable energy, apparent ileal digestibility coefficient of amino acids and the effects on bird performance. The effects of dehulling and extrusion cooking on the nutritive value of legumes were also investigated. The first experiment discussed in Chapter 3 evaluated the effect of cultivars on the nutrient profile and protein quality of chickpeas (Cicer arietinum), Australian sweet lupins, peas and soybeans (Glycine max). With the exception of white lupins, cultivars had no effect on the proximate and fibre composition of grain legumes. Starch was the primary carbohydrate component of chickpeas and peas, whilst non-starch polysaccharides were the major carbohydrates in lupins. The legume proteins were deficient in lysine, methionine, cystine and threonine. No differences were found in protein quality between cultivars of the different grain legume species. The lowest weight gain and protein efficiency ratio, in addition to the highest relative pancreatic weight and mortality rate was found in raw soybeans, suggesting that soybeans contained high a concentration of anti-nutritional factors, such as protease inhibitors. Birds fed chickpeas, lupins and peas had a low mortality rate and relative pancreatic weight, confirming that the level of anti-nutrients in these legume seeds was low. The apparent metabolisable energy and apparent ileal digestibility coefficient of amino acids of faba beans, Australian sweet lupins, white lupins and peas were determined in the second experiment (Chapter 4). Cultivar effect on the apparent metabolisable energy values was observed only for faba beans and white lupins. Faba beans, white lupins and peas had comparable apparent metabolisable energy values, but these values were higher than those of Australian sweet lupins, and lower than that of soybean meal. No cultivar differences were found in the apparent ileal digestibility coefficient of amino acids of grain legumes. The apparent ileal digestibility coefficient of amino acids of both lupin species was found to be comparable to that of soybean meal. The effects of feeding diets containing 200 g/kg faba beans, lupins or peas on the performance, digestive tract development and litter quality of broilers were investigated in the third and fourth trials. In the cage trial (Chapter 5), the results showed that the weight gain of birds fed diets containing grain legumes was similar to that of control diet. Feed intake and feed per gain of birds fed diets containing the majority of grain legume cultivars did not differ from those fed the maize-soy diet. Birds fed diets containing faba beans had more dry and friable excreta compared to other treatment diets. The performance of birds fed diets containing 200 g/kg grain legumes during the 35 d grow-out period, in the floor pen trial (Chapter 6), confirmed the results of the cage trial. In this trial, weight gain and feed per gain of birds fed diets without meat meal were superior to those with meat meal. In cage trials, the modification of some segments of digestive tract development was probably due to the dietary NSP. Whilst in floor pen trial, digestive tract development was not influenced by the inclusion of grain legumes. The effect of methodology of determination (direct vs. difference method) on the apparent ileal digestibility coefficient of amino acids of wheat, maize, Australian sweet lupins, peas and soybean meal for broilers was evaluated in the fifth study (Chapter 7). The influence of methodology on apparent ileal digestibility coefficient of amino acids was found to vary amongst the feed ingredients. In general, the apparent ileal digestibility coefficient of amino acids of test ingredients determined by the difference method was higher than those determined by the direct method, suggesting that the use of the direct method may underestimate the apparent ileal digestibility coefficient of amino acids in low and medium protein ingredients. Data reported in Chapter 8 shows that dehulling increased the apparent metabolisable energy values of faba beans and Australian sweet lupins, but it had no beneficial effect on peas. The increase of apparent metabolisable energy values may be attributed to the decrease in non-starch polysaccharides of these legume seeds after dehulling. The removal of hulls increased the amino acid concentrations, but it had no effect on the apparent ileal digestibility coefficient of most amino acids. These results suggest that dehulling of grain legumes would be nutritionally beneficial and, likely to be economical in view of the improved amino acid concentrations and energy values. The final experiment (Chapter 9) demonstrated that extrusion of peas markedly influenced the content of crude protein, non-starch polysaccharides, starch, and trypsin inhibitors. The soluble non-starch polysaccharides and trypsin inhibitor contents of the majority of extruded pea samples were higher than those of raw peas, but insoluble and total non-starch polysaccharides decreased with extrusion. Extrusion had no effect on the apparent ileal protein digestibility and the apparent metabolisable energy of peas, but it increased ileal starch digestibility.
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Hernandez, Gabriella Veronica, Victoria Alice Smith, Morgan Coffin, Daniel Columbus, Matthew Burd, Kimberly Sprayberry, Mark Edwards, et al. "Development of a Pediatric Model of Nafld in Neonatal Iberian Pigs." DigitalCommons@CalPoly, 2019. https://digitalcommons.calpoly.edu/theses/2097.
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The prevalence of non-alcoholic fatty liver disease (NAFLD) in children has increased over the past decades, creating a need for animal models that recapitulate the features of the pediatric disease. Iberian pigs have a leptin-resistant phenotype characterized by hyperleptinemia, hyperphagia, and extreme adipogenesis. We hypothesized that neonatal Iberian pigs fed a high fat high-fructose (HFF) diet will develop a pattern of liver injury resembling pediatric NAFLD. In addition, we sought to determine if a mixture of probiotics would prevent the disease. Animals were fed 1 of 4 diets containing (g/kg body weight × d) 0 g fructose, 11 g fat and 199 kcal (CON-N; n=8), 22 g fructose, 16 g fat and 300 kcal (HFF2-N; n=8), CON + probiotic (CON-P; n=6), or HFF2 + probiotic (HFF2-P; n=6) every 6 h for 70 d. The probiotic mixture (6.2 × 104 cfu/mL) contained Pediococcus acidilactici, Pediococcus pentosaceus, Lactobacillus plantarum and Bacillus amyloliquefaciens. Body weight was recorded every 3 d. Serum markers of liver injury and dyslipidemia were measured on d 40 and 65 at 2 h post feeding. Fasting leptin, insulin, glucose and homeostatic model assessment (HOMA) values were assessed on d 70. Liver and skeletal muscle (longissimus dorsi) were collected on d 70 for histology, triacylglyceride (TAG) quantification, relative gene expression, and Western blot analysis. Metabolomic analysis was performed on liver tissue and plasma. Body weight was not significantly greater in HFF fed pigs compared to CON. Leptin, alanine and aspartate aminotransferases, alkaline phosphatase, lactate dehydrogenase and total bilirubin were increased (P ≤ 0.001), and high and low density lipoproteins decreased (P ≤ 0.05) in HFF2-N and HFF2-P. Livers in HFF2-P and HFF2-N had higher relative weight and TAG (P ≤ 0.001), micro and macrovesicular steatosis, ballooning degeneration, Mallory-denk bodies, inflammation and necrosis, increased gene expression of TNFα, TGFβ, IL1α and PPARγ (P ≤ 0.001), and decreased ChREBP (P ≤ 0.001). A probiotic affect was seen as pigs fed CON-P and HFF2-P had higher insulin and HOMA values were increased (P ≤ 0.05). Western blot analysis showed dysregulation of autophagy in liver of pigs fed CON-P and HFF2-P, and in skeletal muscle of pigs fed CON-N and HFF2-N. Metabolomic analysis demonstrated dysregulation of one-carbon metabolism, the tricarboxylic acid cycle (TCA), the urea cycle, and amino acid metabolism of pigs fed HFF2 diets compared to CON diets. In conclusion, Iberian pigs fed a HFF diet recapitulate many pediatric NAFLD-associated features, in the absence of obesity and independently of probiotic supplementation, suggesting a potentially suitable model for pediatric NAFLD research. Furthermore, probiotic supplementation did not ameliorate the onset of NAFLD when fed in conjunction with a HFF diet.
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Van, de Vyver Wilhelmus Francois Joubert. "Fibrolytic enzymes in ruminant nutrition and their effect on forage cell wall integrity." Thesis, Stellenbosch : Stellenbosch University, 2011. http://hdl.handle.net/10019.1/6884.
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Thesis (PhD(Agric))--Stellenbosch University, 2011.ENGLISH ABSTRACT: Exogenous fibrolytic enzymes (EFE) as additives in ruminant feeds are being researched worldwide. Promising effects on dry matter intake (DMI), digestibility and production in especially dairy cows, but also feedlot steers and even sheep have been observed. However, lack of or negative effects are also reported and the need arises for clarity on the mode-of-action of EFE. Forages are characterised as being highly heterogenic and contain varying concentrations of fibre. The fibre, in turn, varies greatly in digestibility, due to the chemical as well as anatomical build-up of this complex carbohydrate. Fibre, however, presents a major source of potential energy for ruminant animals and EFE is a viable option to increase the digestibility of forages. Therefore, a study with the aim of establishing whether EFE can affect the digestibility of forages, how it affects the digestibility and the clarification of the mode-of-action was drafted. From the literature, the first objective was readily attained and clear indications exist that EFE can indeed improve animal performance when their diets are treated with such enzymes. From the current study, it was shown that EFE can alter the rate and extent of gas production of certain forages (lucerne, kikuyu and weeping love grass) and also improve the in vitro digestibility thereof (P < 0.05). This is in agreement with other research findings and it was concluded that these effects were likely exerted during the early stages of digestion. A complete feed for sheep, when treated with the EFE, showed positive effects on the in sacco digestibility, as well as on the digestion kinetics of the feed (P < 0.05). The in vitro digestibility of the complete feed was also improved due to EFE treatment (P < 0.05). The observations on in vitro digestibility were less marked when a purified xylanase, obtained from the partial purification of the EFE cocktail, was used as the sole fibrolytic enzyme treatment. It is apparent, therefore, that enzyme specificity plays a major role in obtaining positive effects on digestibility of forages and feeds. In agreement with the literature, it is proposed that the approach to improve the digestibility of forages should be to use EFE cocktails containing various enzymes, matching the complexity of the substrate. The major aim of the study was, however, an in depth investigation of the mode-of-action of EFE. This aim was approached by observing changes in plant tissue material at the histological level upon treatment with EFE and incubation in buffered rumen fluid. Results showed that EFE had subtle, yet significant effects on cell wall material for the various tissues studied (P < 0.05). The major effect observed here was that EFE had a thinning effect on the cell wall thickness (P < 0.05). It was deduced that as EFE affected the cell wall of the plant material, earlier access by microorganisms could be achieved. Also, nutrients caught in the cell wall matrix could then be released for digestion. Therefore, observations that EFE increases the rate of digestion, as well as the extent of digestion of not only fibre, but also protein, were explained by the enzyme’s action on cell wall material. It was concluded that there is definite merit in the use of EFE to improve the digestibility of ruminant feeds and that this is partly related to effects on the cell walls of the forages. The effects can be expected to occur during the early stages of digestion, thereby potentially increasing the passage rate of digesta from the rumen. Additionally, the effect of the EFE is not limited to fibre and increased digestibility of all nutrients can be expected, thereby increasing the overall digestibility of the feed. Future research should further elucidate the mode-of-action of EFE using advanced technologies routinely employed in the plant sciences. Additionally, the main potential advantage of EFE treatment lies in improving the digestibility of poor quality roughages. Unfortunately, this is an area where limited positive effects are observed and in depth investigations should be undertaken to classify the specificity and optimum conditions of EFE to better match the complexity of the substrate being treated.
AFRIKAANSE OPSOMMING: Eksogene fibrolitiese ensieme (EFE) word tans wêreldwyd ondersoek vir die gebruik daarvan as voerbymiddels vir herkouers. Belowende effekte op DMI, verteerbaarheid en produksie van vernaam melkbeeste, maar ook voerkraalbeeste en selfs skape is al gerapporteer. Swak en selfs negatiewe effekte word egter ook waargeneem en daarom is ʼn deeglike ondersoek na die metode van werking van EFE van belang. Ruvoere word gekenmerk deurdat dit heterogeen van aard is en bevat variërende vlakke van vesel. Vesel maak op sy beurt ʼn wesenlike deel uit van die ruvoer, maar varieer baie in verteerbaarheid weens die chemiese sowel as anatomiese samestelling van hierdie komplekse koolhidraat. Ruvoer verteenwoordig egter ʼn goeie bron van potensiële energie vir herkouers en EFE word voorgestel as ʼn haalbare behandeling om die verteerbaarheid daarvan te verhoog. Dus is ʼn studie beplan met die doelwit om die effekte van EFE te definieer, hoe dit verteerbaarheid beïnvloed en die metode van werking daarvan te ondersoek. Vanuit die literatuur is dit duidelik dat daar wel baie positiewe effekte is waar ruvoere met EFE behandel is en dat diereproduksie wel bevoordeel word daardeur. Vanuit die studie is dit getoon dat die tempo en hoeveelheid gasproduksie van sekere ruvoere (lusern, kikuyu en oulandsgras) verbeter word deur EFE behandeling (P < 0.05). Hierdie bevinding was ondersteun deur verbeterde in vitro verteerbaarheid van die ruvoere (P < 0.05). Dit is in ooreenstemming met literatuur en die gevolgtrekking is gemaak dat hierdie effekte tydens die vroeëre stadia van vertering verwag kan word. ʼn Volledige skaapvoer wat met EFE behandel is, het positiewe effekte op in sacco verteerbaarheid en verterings kinetika data gehad (P < 0.05). Weereens is die in vitro verteerbaarheid van die voer verbeter (P < 0.05). Waarnemings op in vitro verteerbaarheid was veel minder opvallend wanneer ʼn gesuiwerde xylanase as enigste fibrolitiese ensiem behandeling gebruik is. Dit is dus duidelik dat ensiem spesifisiteit ʼn belangrike rol speel in die verkryging van positiewe resultate in die verteerbaarheid van ruvoere en veevoere. In ooreenstemming met literatuur word dit voorgestel dat ensiemmengsels wat verskeie ensieme bevat as EFE gebruik behoort te word ten einde aan die kompleksiteit van die substraat te voldoen. Die hoof doelwit van die studie was egter ʼn indiepte ondersoek na die metode van werking van EFE. Hierdie doelwit is benader deur die effekte van EFE op selwand strukture van plantmateriaal op ʼn histologiese vlak te ondersoek. Die ruvoere was vooraf met EFE behandel en in vitro geïnkubeer in rumen vloeistof. Die resultate het getoon dat EFE ʼn matige, dog betekenisvolle effek op die selwand materiaal van die onderskeie weefsels gehad het (P < 0.05). Die belangrikste waargeneemde effek was dat EFE ʼn verdunningseffek op die selwande gehad het. Dit is afgelei dat as EFE die selwand kan beïnvloed, mikro-organismes vroeër toegang tot die inhoud kan kry. Verder, nutriënte vasgevang in die selwand matriks raak ook beskikbaar vir vertering. Hierdie afleiding en die effek van EFE op selwande verklaar waarnemings dat EFE die tempo van vertering sowel as die vlak van vertering van nie net vesel, maar ook proteïen kan bevoordeel. Die gevolgtrekking is gemaak dat daar definitiewe meriete is in die gebruik van EFE om die verteerbaarheid van herkouervoere te verbeter en dat dit verband hou met die ensiem se werking op selwande van die ruvoere. Die effekte kan verwag word tydens die vroeë stadia van vertering om dus deurvloeitempo van digesta te verbeter. Die effek van die EFE is verder nie beperk tot vesel nie, maar positiewe effekte op ander nutriënte kan verwag word en vervolgens ʼn algehele verhoging in die verteerbaarheid van die voer. Navorsing behoort in die toekoms verder die metode van werking van EFE te ondersoek deur gebruik te maak van gevorderde tegnologie wat alledaags gebruik word in die Plantwetenskappe. Die belowendste aanwending van EFE lê in die verbetering in vertering van swak kwaliteit ruvoere. Dit is ongelukkig juis hier waar min positiewe resultate gerapporteer word en indiepte navorsing moet onderneem word om ensiem spesifisiteit en optimum kondisies te definieer sodat EFE beter opgewasse is teen die kompleksiteit van die substraat.
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Lickel, Laura Evelyn. "Intake, apparent digestibility, and digesta passage in leopard tortoises (Geochelone pardalis) fed a complete, extruded feed." DigitalCommons@CalPoly, 2011. https://digitalcommons.calpoly.edu/theses/480.
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The influence of feeding juvenile female leopard tortoises (Geochelone pardalis, n=18) a commercially available, complete, extruded feed three (3) or seven days (7) per week on dry matter and digestible energy intake, apparent digestibility of dry matter, organic matter, gross energy and fiber fractions, animal body weight and measurements, digesta transit time, rate of passage, and indigestible fill was evaluated. Both feeding frequencies are commonly practiced with captive tortoises. When fed 7 compared to 3 days per week, dry matter and digestible energy intake was greater. Tortoises gained more g BW, but not when adjusted per kg initial BW. When fed 7 compared to 3 days per week, tortoises grew more in plastron width (PW) and carapace height (CH), but not midline straight carapace length (MSCL), and grew more in calculated shell volume (i.e., a calculated estimate of shell volume using MSCL, PW, and CH), with a higher calculated body condition index (BCI). Providing short fasts (i.e., feeding 3 compared to 7 days per week) may be useful in slowing tortoise growth when animals are provided food ad libitum. In general, ad libitum feeding, especially of a highly digestible extruded feed, is not recommended for captive juvenile G. pardalis, especially when offered food daily. With two data points (detected as outliers) removed due to low fecal output (and resulting unrealistically high apparent digestibility of all nutrients analyzed) of two animals when fed 3 days per week, apparent digestibility of cellulose in tortoises fed 7 (n=18) compared to 3 (n=16) days per week was lower, but no differences were detected in DM, OM, GE, or any other fiber fractions analyzed. Transit time (TT1) was shorter and indigestible fill was higher in tortoises (n=18) fed 7 compared to 3 days per week, regardless of percent Cr marker recovered. With four animals removed due to <50% Cr marker recovery, tortoises fed 7 compared to 3 days per week exhibited shorter mean retention time (RGIT), with no differences in digesta transit or indigestible fill. Longer digesta retention when food availability included short periods of fasting may have allowed tortoises to extract more energy from cellulose.
Books on the topic "Nutritional Scienes (Theses)"
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Ontario. Esquisse de cours 12e année: Étude de l'alimentation et de la nutrition hfa4m cours préuniversitaire. Vanier, Ont: CFORP, 2002.
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Ontario. Esquisse de cours 12e année: Sciences snc4m cours préuniversitaire. Vanier, Ont: CFORP, 2002.
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Ontario. Esquisse de cours 12e année: Sciences de l'activité physique pse4u cours préuniversitaire. Vanier, Ont: CFORP, 2002.
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Ontario. Esquisse de cours 12e année: Sciences de la Terre et de l'espace ses4u cours préuniversitaire. Vanier, Ont: CFORP, 2002.
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Ontario. Esquisse de cours 12e année: Le droit canadien et international cln4u cours préuniversitaire. Vanier, Ont: CFORP, 2002.
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Ontario. Esquisse de cours 12e année: Atelier d'écriture fae4o cours ouvert. Vanier, Ont: CFORP, 2002.
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Ontario. Esquisse de cours 12e année: Histoire de l'Occident et du monde chy4u. Vanier, Ont: CFORP, 2002.
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Ontario. Esquisse de cours 12e année: Géométrie et mathématiques discrètes mga4u cours préuniversitaire. Vanier, Ont: CFORP, 2002.
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Ontario. Esquisse de cours 12e année: Français des affaires faf4o. Vanier, Ont: CFORP, 2002.
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Ontario. Esquisse de cours 12e année: L'église et la culture hre4m. Vanier, Ont: CFORP, 2007.
Find full textBook chapters on the topic "Nutritional Scienes (Theses)"
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Cabrera, Raul I. "Irrigation and fertilization." In Cut flowers and foliages, 224–57. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789247602.0005.
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Abstract The chapter discusses some of the foundational concepts, and science-based management practices, on the irrigation and fertilization of major flower crops growing in soil and soilless systems. To this end, some key principles of plant physiology related to water relations and mineral nutrition will serve as the foundation of the themes and practices covered in this chapter.
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Marques da Silva, José Rafael, and Manuela Correia. "The soil-water-plant agrisystem:a little about soil, water and plants." In Manuali – Scienze Tecnologiche, 7. Florence: Firenze University Press, 2020. http://dx.doi.org/10.36253/978-88-5518-044-3.07.
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Soil and water are essential for plants to grow. By analysing a Vegetation Index map of a corn field after emergency we are going to observe different concentrations of chlorophyll across the field. We will try to identify possible causes for those differences and discuss the strategies to solve any problems that are occurring. These problems can be related with soil characteristics, irrigation, plant germination capacity, nutrition, etc., highlighting the importance of soil-water-plant agrisystem.
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Grace, Delia, Silvia Alonso, Bernard Bett, Johanna Lindahl, Ekta Patel, Hung Nguyen Viet, Kristina Roesel, Fred Unger, and Paula Dominguez-Salas. "Food safety and nutrition." In The impact of the International Livestock Research Institute, 338–65. Wallingford: CABI, 2020. http://dx.doi.org/10.1079/9781789241853.0338.
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Abstract This book chapter focuses on a programme on improving human health through livestock research in three areas: (i) animal-source foods for nutrition; (ii) zoonoses (diseases transmitted between animals and people); and (iii) FBD. This was the first CGIAR group with an explicit food safety mandate (rather than focusing on specific hazards) and with expertise in using research methods for food safety rather than diseases in general. ILRI was also one of the first groups to focus on food safety in the 'informal markets' of developing countries, and by the 2010s, had become the lead research institute globally in this emerging area. ILRI research on FBD has resulted in many science outputs, including some genuinely innovative tools and approaches, and has already demonstrated outcomes at community, national and regional levels. These include substantial inputs into global, regional and national strategies and national training programmes. The major development-oriented approach - the triple-path for training, motivating and enabling of informal market agents - has been shown to be both scalable and sustainable. While questions remain about its lasting effects on food safety and its application outside those few countries where its success has been demonstrated, the next few years should bring further evidence about this, with benefits lasting for many decades to come.
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Steensland, Ann, and Margaret Zeigler. "Productivity in Agriculture for a Sustainable Future." In The Innovation Revolution in Agriculture, 33–69. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-50991-0_2.
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Abstract The Malthusian predictions of the future have not come to pass due largely to innovative agricultural technologies and practices that stimulated significant gains in agricultural productivity. This chapter examines the linkages between innovation, productivity, and sustainability. The definition of agricultural productivity, measured as total factor productivity (TFP), will be explained, as well as the contribution of innovation to global TFP growth and the contribution of TFP to sustainable food and agriculture systems. To illustrate these connections, this chapter highlights innovative technologies and practices used by crop and livestock producers in the United States, Colombia, India, Kenya, and Vietnam. These cases demonstrate how advanced seed technologies, improvements in soil health and nutrient management, mechanization, and an emphasis on animal health drive productivity growth around the world. Many of these cases feature partnerships between the public sector, private sector, and producers where innovations and new practices are used to increase productivity, incomes, food security, and nutrition. Creating an enabling policy environment is essential for agricultural innovation, productivity, and sustainability; the chapter gives examples of public policies that stimulate such productivity: investing in public sector research and development (R&D), embracing science-based technologies, and establishing smart regulatory environments. The chapter includes a discussion of innovation, productivity, and the Sustainable Development Goals (SDGs).
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Simpson, Stephen J., and David Raubenheimer. "Nutrition and Darwin’s Entangled Bank." In The Nature of Nutrition. Princeton University Press, 2012. http://dx.doi.org/10.23943/princeton/9780691145655.003.0001.
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This introductory chapter expands on three important themes that form the backdrop of this book's study: nutrition touches and links all living things; nutrition is complex; and there have been benefits both from the highly specific and detailed approach of applied nutritional sciences and the simplified, general approaches adopted in the ecological sciences. At the most conspicuous level, nutrition is a primary factor defining the geographic distribution and temporal pattern of activity for many animals. Achieving nutritional homeostasis involves a complex interplay between multiple and changing nutrient needs and variable foods. The detailed studies of human and animal nutritionists have yielded a wealth of information for deriving dietary recommendations for human health, formulating animal feeds, designing dietary regimes for captive animals, supplementing the nutrition of free-ranging animals—and many other important practical applications.
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Brown, Gwen Cohen, and Laina Karthikeyan. "Integration of Civic Engagement Pedagogies in the STEM Disciplines." In Cases on Interdisciplinary Research Trends in Science, Technology, Engineering, and Mathematics, 295–319. IGI Global, 2013. http://dx.doi.org/10.4018/978-1-4666-2214-2.ch012.
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This chapter discusses the development and implementation of an interdisciplinary learning community between the departments of Dental Hygiene and Biological Sciences, correlating nutrition with oral health and oral cancer and its prevention by early screening. The goal of the project was to engage underrepresented, urban undergraduate students in civic learning, with an eye toward expanding learning capacities and civic responsibilities beyond the classroom. The project followed participation in the 2010 Summer Institute offered by the National Science Foundation’s Science Education for New Civic Engagements and Responsibilities (SENCER). Oral and Maxillofacial Pathology integrates basic science curriculum and applies this unified foundation knowledge to the clinical evaluation of disease, thereby closing the gap between didactic and applied material. Dental Hygiene students enrolled in Nutrition and Anatomy and Physiology will learn to connect this knowledge gained with practical application outside the natural sciences, which in turn will make these courses more interesting and relevant.
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Ramdwar, Marcus N. A., and Narendra Siew. "Strategic Approaches to Food Security in Developing Countries." In Food Science and Nutrition, 151–75. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-5207-9.ch008.
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As the world's population increases, the issue of food security presents a serious challenge. Currently, food security is reliant on a very narrow range of cultivated plant species and is also limited to traditional animal husbandry practices. The use of edible wild plants can be considered to support food security efforts. Such plants have shown to be more resilient compared to traditionally cultivated crops and also have superior nutritional attributes. The issue of protein food security can be addressed through production improvements for local or indigenous chickens, livestock production systems and wildlife to some extent. Food security in developing countries would increasingly become more dependent on widening the biodiversity from which food is selected and utilized and insects, like wild plants, provide another such opportunity. Contemporary reproductive technologies such as lactation induction, embryo transfer and artificial insemination among others can bolster food security efforts in developing countries. Improvements in forage species as well as processing technologies to improve nutritional value of low quality forages can improve overall animal nutrition. Irrespective of the concerns related to genetically modified organisms (GMOs), these sources of food could be beneficial globally. The formation of farmers' groups can be a strategic approach to food security in resource poor developing countries for the purposes of collective action and resource sharing. Sustainable food security requires the integration of several multi-dimensional approaches into a holistic management model to achieve the food security objectives in many developing nations.
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Hrideek, T. K., and K. U. K. Nampoothiri. "Millets as an Integral Part of Nutritional Diet in India." In Food Science and Nutrition, 131–50. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-5207-9.ch007.
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Millets are small grained cereals belonging to the family Gramineae and they include major millets and minor millets. Millets are quite important from the point of food and nutritional security at regional and house hold level. In India's dry lands, they play a significant role in meeting food and fodder requirements of farming communities. Millets are found to have high nutritive value comparable and even superior to major cereals with respect to protein, energy, vitamins and minerals. They are also rich sources of phytochemicals and micronutrients. Since millet is gluten-free, it is an excellent option for the people who are suffering from atherosclerosis, diabetics and heart disease. In the face of increasing population and stagnant wheat and rice production, millets can be a promising alternative in solving the problem of food insecurity and malnutrition, because of their sustainability in adverse agro-climatic conditions. These crops have substantive potential in broadening the genetic diversity of the food basket and ensuring improved food and nutrition security.
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Halina Makała, Ing. "Impact of Selected Feed Additives in Broiler Nutrition on Breeding and the Meat Quality Features." In Veterinary Medicine and Science. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.99099.
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The aim of the study was to overview the results of scientific research on the impact of feed additives used in broiler nutrition on breeding and meat quality. Selected additives used in feeding broilers with immunomodulatory properties, prebiotics and probiotics, herbs and herbal extracts and protein additives were characterised. The application of insects in poultry feeding as a good source of proteins and fat as a substitute of expensive feed rich in proteins was presented. Further research is needed on their nutritional value, levels of incorporation into diets and the performance of this feed ingredient. However, there are many challenges that need to be overcome by adoptingsuitable strategies to produce antibiotic-free broiler meat with regards to food safety and chickenwelfare issues. The additives available on the market should be used in accordance with the manufacturers’ recommendations and the grace period should be observed in order to obtain the expected production results and a high-quality product.
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Bhardwaj, Minakshi. "The Applications of Omics Technologies and the Challenges of Ethics in Nutritional Sciences." In Genomics and Bioethics, 85–94. IGI Global, 2011. http://dx.doi.org/10.4018/978-1-61692-883-4.ch006.
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During the past two decades, there have been numerous developments in the genetic and genomic technologies enabling us to understand complex biological systems in an integrative manner through holistic approaches in research. Since the sequencing of the human genome, efforts are made to identify the number of the genes and their functions. The tools for determining the functionality of the genes are just beginning to appear. Initially the methodologies to identify functionality of the genes were largely based on comparative studies between model organisms. The very high number of genes with unknown functions demanded the need to develop new methods and technologies that may be helpful in assigning functions to the identified genes. Advancements in computing techniques and software opened the door for new technologies to be able to take an applied approach by studying biomolecules needed for proper functioning of the cell and take a holistic approach in biomedical research. Besides genomics, several other technologies are developed in the last decade that take an ‘omics’ approach, i.e., an integrated approach in the study of cell function. It is hoped that the applied integrative omics approaches may be helpful in establishing cause and effect relationships between genotype and phenotype. These ‘omics’ approaches include the integration of genomics, proteomics, transcriptomics, metabolomics and other omic technologies to do the non-targeted studies of biomolecules involved in the proper functioning of the cells and their responses to environmental changes. The applications of these technologies have been also utilized in the field of nutrition for studies on how nutrients and other metabolites effect the proper functioning of the cell. With these emerging techniques to understand the molecular functioning of the body, it is envisaged that they might be helpful to give personalized medical care and dietary advice to people based on their individual genotypes in the future. Whilst nutritional genomics is a rapidly growing field in the nutritional sciences focusing on the diet-gene relationships, there is an increasing understanding that other technologies will also be crucial in understanding the whole biological processes involved in metabolism of food. In this chapter I wish to outline the use of contemporary technologies that are involved in establishing the intricate linkages between diet and the genes, and the ethical challenges they raise in their applications.
Conference papers on the topic "Nutritional Scienes (Theses)"
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Niyonshuti, Eric, and Figen Kırkpınar. "Assessment of the Last Decades Studies and Developments in Broilers Nutrition." In International Students Science Congress. Izmir International Guest Student Association, 2021. http://dx.doi.org/10.52460/issc.2021.003.
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The poultry industry has advanced remarkably over the past 30 years. In particular, broiler production has been the most successful than any other sector in the animal industry. Production standards of broilers have continuously improved over this period, with modern broilers reaching a live average weight of 2.5 kg at 33 – 35 days. Today, under normal conditions, a broiler chicken can gain an average weight of 65 g per day and can attain 1.5 feed conversion ratio (FCR). Genetic selection brought about by breeding companies has played a big part in the improvements of broiler growth, and advances in nutritional management have provided about 10 to 15% of these changes. In conclusion, future broiler nutrition studies are going to be continued on the plane of economic criteria, determination of alternative feedstuffs and their cultivation, production of new feed additives, sustainability, and food or product quality. However, broiler nutrition studies are expected to contain not only pure and applied nutrition but also to answer and to enlighten some discussed issues such as to support animal welfare, consumer health, and ecological equilibrium. In this review, the latest improvements in feed formulation with much attention on metabolizable energy (ME) and crude protein (CP), feeding systems and feed presentation, use of feed additives to enhance feed use and broiler performance are discussed.
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"Promoting Healthy Nutrition through Educational Escape Games." In InSITE 2019: Informing Science + IT Education Conferences: Jerusalem. Informing Science Institute, 2019. http://dx.doi.org/10.28945/4362.
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Aim/Purpose: The increased production of processed food, rapid urbanization, and changing lifestyles have led to a shift in dietary patterns so people are now consuming more unhealthy foods. To change unhealthy dietary patterns, there is a need to educate the individuals to keep a balanced diet that is rich in nutritional requirements. One way to educate a heterogeneous population, from preschool to adults, is by learning through games. Background: In recent years, the use of games as a pedagogical method is gaining momen-tum. Game-based learning (GBL) refers to any learning environments or activities that use games to support learning and teaching. GBL enables learners to practice skills that traditional teaching may not offer and promote more efficient learning. GBL includes various types of games; one of them is escape games (EG), which have become a popular trend in the world. Because EG are a relatively new phenomenon, the research on their development and educational value is still in its initial stages. Methodology: The current study is set to develop a methodology for ‘educational EG’ and to examine its role in promoting knowledge, awareness, and motivation toward a healthy nutrition. The study’s theoretical framework is guided by the situated learning theory, as EG are situated in a unique setting that instigates interactions between the players and between them and the learning environment. The research questions are 1. What is the educational potential of escape games? 2. Whether and how can EG promote knowledge, awareness, and motivation toward a healthy nutrition? 3. What are the predicting factors of knowledge, awareness, and motivation toward a healthy nutrition, in the context of educational EG? Contribution: The research’s contributions are in three levels: In the theoretical level, the study contributes a layer of knowledge on situated learning environments, offering a new model for the development and implementation of educational EG. In the methodological level, the study presents valid and reliable research tools for examining the effectiveness of educational EG. In the practical level, the study provides a tangible EG kit on healthy nutrition. Findings: Initial findings indicated on an overall increase in the participants’ positive views about EG as a situated learning environment. The findings also indicated that participation in an EG has a potential to promote knowledge and awareness of nutrition-related issues. The players’ motivation to learn about nutrition increased after participating in the game, mainly due to an increase in their sense of self-efficacy.
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Srinadi, Ni Luh, Theresia Puspitawati, and Nonik Ayu Wantini. "Relationship of Family Economic Status with Chronic Energy Deficiency in Pregnant Women in Jetis Community Health Center, Yogyakarta." In The 7th International Conference on Public Health 2020. Masters Program in Public Health, Universitas Sebelas Maret, 2020. http://dx.doi.org/10.26911/the7thicph.03.47.
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ABSTRACT Background: Four nutritional problems are still major health problem in Indonesia, namely Chronic Energy Deficiency (KEK), Iron Nutritional Anemia (AGB), Disorders Due to Iodine Deficiency (IDD), and Vitamin A Deficiency (KVA). This study aimed to determine the relationship of family economic status with chronic energy deficiency in pregnant women in Jetis community health center, Yogyakarta. Subjects and Method: This was a cross sectional study conducted at Jetis community health center, Yogyakarta. A sample of 73 was selected by Accidental Sampling. The data were collected by questionnaire and analyzed by Chi Square. Results: The incidence of chronic energy deficiency with low-income families (71.2%), and in the middle economic status the incidence of chronic energy deficiency in pregnant women (92.6%). It was statistically significant (p< 0.001) Conclusion: There is a relationship between families’ economic status and the incidence of chronic energy deficiency (CED) among pregnant women visiting Community Health Center of Jetis, Yogyakarta. Keywords: economic status, incidence of chronic energy deficiency (CED), pregnant women. Correspondence: Theresia Puspitawati. Study program of Public Health, Faculty of Health Sciences, Universitas Respati Yogyakarta. E-mail: thpuspitawati@gmail.com. Mobile: +628122719110. DOI: https://doi.org/10.26911/the7thicph.03.47
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Melnikov, D. G., I. V. Ignatenko, and O. S. Babenko. "SYSTEM OF INDICATORS OF SEED DISTRIBUTION BY SEEDS BY THE GRAIN SEED PIPELINE." In STATE AND DEVELOPMENT PROSPECTS OF AGRIBUSINESS Volume 2. DSTU-Print, 2020. http://dx.doi.org/10.23947/interagro.2020.2.319-326.
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Currently, agricultural science is showing interest in the technologies of spread sowing, which compares favorably with the existing ordinary sowing by increasing the supply of seeds with nutritional areas and the use of field area, which are important factors in increasing the yield of grain crops. Its implementation requires studying the processes of seed dispersal and the development of appropriate technical means. They can be active and passive. Of these, the most simple means using the natural processes of turbulization of the process of movement of seeds in the seed tubes of seeders.
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Zulfa, Siti Zakiah, and Cesa Septiana Pratiwi. "Implementation of Home Visit Programs in Improving Nutritional Status of Under-Five Children in Developing Countries: A Scoping Review." In The 7th International Conference on Public Health 2020. Masters Program in Public Health, Universitas Sebelas Maret, 2020. http://dx.doi.org/10.26911/the7thicph.02.11.
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Background: In developing country, malnutrition of under five children was still a severe problem because it may have an impact on the quality of human resources in the future. Various program has been tried in many places to overcome this problem, one of which is through a home visit program, which is very necessary for educational purposes to manage malnutrition. This study aimed to determine how to implement a home visit program to improve the nutritional status of under five children in developing countries. Subjects and Method: A scoping review method was conducted using Arksey and O’malley (2005) framework with five steps: (1) Identify the scoping review question; (2) Identify relevant articles; (3) Article selection; (4) Mapping; (5) Present the results, discussion and conclusion. The search included Pubmed, Wiley, Ebsco, Science Direct, and Google scholar databases. The inclusion criteria were original articles in Indonesian and English from developing countries published from 2010 to 2019. The data were reported by PRISMA flow chart. Results: Five of the 159 articles were selected, and found that five themes were summarized, namely: (1) effective implementation of home visits, (2) types of rehabilitation of nutritional status of under-five children on home visits, (3) home visit officers 4) time and activities for conducting home visits and 5 ) constraints on home visits for malnutrition education purposes. Conclusion: Home visit program is an effective and significant strategy to reduce the incidence of underweight, moderate and severe malnutrition, stunting and wasting in under five children only when combined with other programs. Several knowledge gaps identify which confirm through further research. Keywords: home visit, nutritional status of under-five children, malnutrition, developing countries Correspondence: Siti Zakiah Zulfa. Universitas ‘Aisyiyah Yogyakarta. Jl. Ringroad Barat No.63, Mlangi, Nogotirto, Gamping, Sleman, Yogyakarta. Email: zakiya_zulfa@ymail.com. Mobile: 085641349694. DOI: https://doi.org/10.26911/the7thicph.02.11
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O’Sullivan, Maurice G., Briony Supple, and Marian McCarthy. "Cross cultural experiences of Chinese students studying Food Science in Ireland." In Learning Connections 2019: Spaces, People, Practice. University College Cork||National Forum for the Enhancement of Teaching and Learning in Higher Education, 2019. http://dx.doi.org/10.33178/lc2019.10.
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Food science is the comprehensive study of food and beverages or more specifically the application of the scientific disciplines of the physical, biological, and chemical as well as engineering, microbiology and nutrition to the study of food and beverages to improve the sensory properties, safety, nutrition, functionality, sustainability and availability. UCC attracts diverse cross-cultural groups of students to degree programmes in Ireland annually including 3000 international students from over 100 countries (UCC, 2018). However, anecdotally, students were underperforming (grades lower than Irish students) for some of their formative assessments due to a lack of familiarity with the Irish teaching system. For this reason, it was decided to investigate, from first principals, the experiences of these Chinese students both from their Chinese and Irish experiential perspectives in order to determine areas that could be optimised to improve their integration and promote their holistic learning experiences. The action research findings of this present study will thus be used to optimise a new bespoke degree programme, specifically catered for Chinese students, that commenced in UCC in September 2017.
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Peshkova, D. N., N. A. Tarasenko, and I. A. Chumak. "SAFETY OF FOOD FIBERS IN THE DEVELOPMENT OF ENRICHED GINGERBREAD PRODUCTS." In INNOVATIVE TECHNOLOGIES IN SCIENCE AND EDUCATION. DSTU-Print, 2020. http://dx.doi.org/10.23947/itno.2020.458-462.
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Confectionery products are an important part of the diet of different age groups. A distinctive feature of these products is their low content of useful micronutrients and high content of such macro nutrients as fats and carbohydrates, which determines their increased energy value, but a low nutritional value. Therefore, today's research on the development of confectionery products, in particular gingerbread, enriched with such important food components as dietary fiber, is very relevant. This type of functional additive must be controlled for the safety of its use in food products. This article deals with the conditions and factors of safety of the use of dietary fiber in gingerbread products.
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Pebriani, Resda, and Rifa Yanti. "Effect of Consuming Tomato (Solanu Mlycopersicum L) Juice and Red Spinach (Amaranthus Tricolor L) on Haemoglobin Levels of Reproductive Age Women in Payung Sekaki Public Health Center, Pekanbaru." In The 7th International Conference on Public Health 2020. Masters Program in Public Health, Universitas Sebelas Maret, 2020. http://dx.doi.org/10.26911/the7thicph.05.14.
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ABSTRACT Background: Anemia is a nutritional problem that affects millions of people in developing countries and remains a significant challenge for human health. This study aimed to determine the effect of giving a combination of tomato juice and red spinach on haemoglobin levels of reproductive age women in Payung Sekaki Community Health Center, Pekanbaru. Subjects and Method: This study was a experimental study with pretest and posttest one group design conducted in the working area of the Umbrella Sekaki Community Health Center Pekanbaru.A sample of 27 people was selected by purposive sampling. The dependent variable was an increase in hemoglobin levels in women of childbearing age. The independent variable was tomato and spinach juice. The data were collected by digital Hb set, a scale, a measuring cup. Results: Hemoglobin of women of reproductive age before being given intervention (Mean= 10.97; SD= 0.563) was higher after giving intervention (Mean = 11.68; SD 0.536) and statistically significant with (p > 0.05). Conclusion: There is an effect of giving a combination of tomato juice (Solanu Mlycopersicum L) and red spinach (Amaranthus Tricolor L) on Haemoglobin levels in WUS in the working area of in Payung Sekaki Community Health Center, Pekanbaru. Keywords: Combination of Tomato Juice and Spinach, Haemoglobin level. Correspondence: Resda Pebriani, School of health sciences Al-Insyirah Pekanbaru. Mustafa Sari No.5, Tengkerang Sel, Kec. Bukit Raya, Kota Pekanbaru, Riau. Email: pebrianiresda24@gmail.com. Mobile: 081231304336. DOI: https://doi.org/10.26911/the7thicph.05.14
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Tampy, Safitri Tia, Hari Wahyu Nugroho, and Rahmi Syuadzah. "Association between Maternal Anemia with Stunting Incidence among Newborns in Surakarta, Central Java." In The 7th International Conference on Public Health 2020. Masters Program in Public Health, Universitas Sebelas Maret, 2020. http://dx.doi.org/10.26911/the7thicph.03.11.
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ABSTRACT Background: Stunting is one of the global nutrition problems, which is recorded in the six global nutrition targets in 2025. Stunting is defined as a condition when a child’s body length or height based on age and sex is below -2 SD of the median standard of child growth by World Health Organization. The prevalence of stunting in newborns in the world is 3.8%. The causes of stunting are multifactorally occurring from the age of conception to the age of two. Factors that influence stunting of newborns during the prenatal period are maternal height, maternal weight gain, anemia, and infection during pregnancy. Anemia occurs in 37% of pregnant women. Maternal anemia causes disruption in fetal growth which increases the risk of stunting at birth. This study aimed to examine the Association between maternal anemia with stunting incidence among newborns in Surakarta, Central Java. Subjects and Method: This was a cross-sectional study conducted at Sibela Community Health Center, Surakarta, Central Java. Total of 184 third trimester pregnant women and 184 newborns were enrolled in this study. The dependent variable was stunting among newborns. The independent variable was anemia in pregnant women. The data were taken from medical records in the period February-March 2020. The data were analyzed using Chi-square. Results: The prevalence of stunting among newborns was 8.2%. Anemia among pregnant women were 31.0%. Pregnant women who had anemia increase the incidence of stunting among newborns (OR = 5,19; 95% CI = 1.69 to 15.99; p = 0.002). Conclusion: There is a relationship between anemia among pregnant women and the incidence of stunting among newborns. Keywords: anemia, pregnancy, stunting, newborn Correspondence: Safitri Tia Tampy. Pediatric Research Center (PRC), Department of Pediatric Science, Dr Moewardi General Hospital, Surakarta, Central Java DOI: https://doi.org/10.26911/the7thicph.03.11
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Wu, Y., J. Y. H. Fuh, Y. S. Wong, and J. Sun. "Fabrication of 3D Scaffolds via E-Jet Printing for Tendon Tissue Repair." In ASME 2015 International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/msec2015-9367.
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Current clinical grafts used in tendon treatment are subject to several restrictions and there is a significant demand for alternative engineered tissue. The previously reported tendon scaffolds mainly based on electrospinning and textile technologies showed promising results for tendon regeneration. However, limitations, such as small pore size, nutrition transmission, cell attachment, exist universally in such scaffolds. In this work, a novel tissue engineered polycaprolactone (PCL) tendon scaffold based on electrohydrodynamic jet printing (E-Jetting) was developed for investigation. In preliminary in-vitro study, human tenocytes were seeded in scaffolds with pore size of ∼106 μm to investigate the cell attachment, morphology and alignment. This study suggested that E-jetted tendon scaffold highly mimicked hierarchical construction from fiber to fascicle level of the native tendon, and has potential to be an alternative tendon regeneration tool.
Reports on the topic "Nutritional Scienes (Theses)"
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Reinhardt, Sarah. From Silos to Systems: Investing in Sustainable Nutrition Science for a Healthy Future. Union of Concerned Scientists, September 2021. http://dx.doi.org/10.47923/2021.14270.
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Diet-related disease, climate change, and environmental degradation exact an enormous toll on human and planetary health. These challenges could be addressed in part by shifting what we eat and how we produce food, yet key questions remain about how to make such transitions effective, equitable, and sustainable. To help answer these questions, investments in “sustainable nutrition science”—research and education at the intersection of nutrition, food production, and climate and environment—are urgently needed. However, the Union of Concerned Scientists has found that US public funding for sustainable nutrition science is severely limited, totaling an estimated $16 million annually between 2016 and 2019, and recommends more than tripling that amount in response to our devastating public health and environmental crises.
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Fourth national report on human exposure to environmental chemicals. National Center for Environmental Health, March 2021. http://dx.doi.org/10.15620/cdc:105345.
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"The Updated Tables, March 2021) presents nationally representative, cumulative biomonitoring data gathered from 1999–2000 through 2015–2016. It includes all the data from each of the previous National Reports on Human Exposure to Environmental Chemicals and each of the previous Updated Tables (collectively, the Report and Updated Tables). In each survey period, the reported chemicals or their metabolites were measured in blood, serum, and urine samples from random subsamples of the National Health and Nutrition Examination Survey (NHANES). These subsamples typically consisted of about 2,500 participants – exact numbers are included in the tables. Survey data and samples are collected by the Centers for Disease Control and Prevention (CDC) National Center for Health Statistics. CDC’s Environmental Health Laboratory (Division of Laboratory Sciences (DLS), National Center for Environmental Health) used mass spectrometry methods to obtain the blood, serum, and urine exposure measurements presented in the Report and Updated Tables. Volume One (1999-2010) and Volume Two (2011-2016) contain data tables for chemicals measured in the general U.S. population Volume Two: NHANES 2011-2016 provides data on the general U.S. population from NHANES 2011-2012, 2013–2014, and 2015-2016. CS272983-A FourthReport_UpdatedTables_Volume2_Mar2021-508.pdf"
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Fourth national report on human exposure to environmental chemicals. Updated tables, March 2021 : volume two: NHANES 2011-2016. National Center for Environmental Health (U.S.), March 2021. http://dx.doi.org/10.15620/105345.
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"The Fourth National Report on Human Exposure to Environmental Chemicals: Updated Tables, March 2021 (the Updated Tables, March 2021) presents nationally representative, cumulative biomonitoring data gathered from 1999–2000 through 2015–2016. It includes all the data from each of the previous National Reports on Human Exposure to Environmental Chemicals and each of the previous Updated Tables (collectively, the Report and Updated Tables). In each survey period, the reported chemicals or their metabolites were measured in blood, serum, and urine samples from random subsamples of the National Health and Nutrition Examination Survey (NHANES). These subsamples typically consisted of about 2,500 participants – exact numbers are included in the tables. Survey data and samples are collected by the Centers for Disease Control and Prevention (CDC) National Center for Health Statistics. CDC’s Environmental Health Laboratory (Division of Laboratory Sciences (DLS), National Center for Environmental Health) used mass spectrometry methods to obtain the blood, serum, and urine exposure measurements presented in the Report and Updated Tables. Volume One (1999-2010) and Volume Two (2011-2016) contain data tables for chemicals measured in the general U.S. population Volume Two: NHANES 2011-2016 provides data on the general U.S. population from NHANES 2011-2012, 2013–2014, and 2015-2016. CS272983-A FourthReport_UpdatedTables_Volume2_Mar2021-508.pdf"