Relevant bibliographies by topics / Fertility diet

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Academic literature on the topic 'Fertility diet'

Author: Grafiati
Published: 26 July 2024

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Journal articles on the topic "Fertility diet"

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Blades, Mabel. "Diet and fertility." Nutrition & Food Science 30, no. 3 (June 2000): 109–11. http://dx.doi.org/10.1108/00346650010319660.

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Ruder, Elizabeth H. "Diet and Female Fertility." Clinical Nutrition INSIGHT 35, no. 2 (February 2009): 1–4. http://dx.doi.org/10.1097/01.nmd.0000345187.53274.4e.

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Petrujkic, Tihomir, H. Cernesku, Milovan Jovicin, Gojko Protic, and Branko Petrujkic. "Diet and fertility in cattle." Veterinarski glasnik 57, no. 3-4 (2003): 225–33. http://dx.doi.org/10.2298/vetgl0304225p.

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The diet of high-yield dairy cows process a very complex and acute problem. Much new knowledge in the area of production and preparation of feedstuffs, diet technology, and the interactions that occur between the components of the nutritive feed ration are required in order to resolve this problem. It is necessary constantly to coordinate feed norms with genetic potential which is ever changing and advanced. The observed problems must be resolved using multidisciplinary methods so that a diet can yield good health, and that health contribute to better reproduction and possibilities for more successful breeding and improved performance in cattle farming. In certain countries, thanks to their geographic position and climatic conditions which allow rainfall throughout the year, a natural green diet can be applied, which provides large numbers of green mass components, and with additives which can be supplemented relatively easily. This type of diet is not possible in our farms. It is very important to know which feedstuff components are laking for certain categories of cattle. The used ration must be constant and administered to animals of certain age or production characteristics in order to improve production results at cattle farms. A great problem occurs when diet is reduced due to dried grass and the resulting stress in animals. A 50% diet reduction in young cattle often results in the occurrence of respiratory diseases. Following 10-14 days of treatment, the disease disappears in young animals, but the energy deficit leads to the weakening (depression) of the immune system. Even a so-called high-energy diet often causes respiratory diseases. A diet deficient in proteins also affects cows after lactation, as opposed to a normative diet, and a reduced protein diet disturbs the microbial activity in the rumen and the synthesis of compounds which are important for both the cow and the calf, making room for the incidence of metabolic diseases, most often acidosis. This paper presents and integral description of cattle diet management according to phases, and a new approach to cattle diet with respect to fertility observed in reproduction over a longer time period at large diary cow farms.
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Gaskins, Audrey J., and Jorge E. Chavarro. "Diet and fertility: a review." American Journal of Obstetrics and Gynecology 218, no. 4 (April 2018): 379–89. http://dx.doi.org/10.1016/j.ajog.2017.08.010.

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Tomada, Inês, and Nuno Tomada. "Mediterranean Diet and Male Fertility." Endocrines 4, no. 2 (June 1, 2023): 394–406. http://dx.doi.org/10.3390/endocrines4020030.

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Diet has an impact on male reproductive potential, but few studies have focused on the specific impact of food groups or dietary patterns on fertility. Male reproductive health, as indicated by improved semen parameters and increased chances of conceiving, is associated with the Mediterranean diet, while the Western diet is considered a risk factor for male infertility. The potential mechanisms that may explain the impact of these diets on semen quality are still largely unknown. However, numerous studies suggest that nutritional interventions are crucial for the preservation and improvement of male fertility. This review aims to summarize the most recent evidence on the influence of components of the Mediterranean diet on sperm parameters. Unlike other risk factors, dietary modulation represents a great opportunity for improving overall health and can also be an important tool in recommendations for male reproductive health.
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Cristodoro, Martina, Enrica Zambella, Ilaria Fietta, Annalisa Inversetti, and Nicoletta Di Simone. "Dietary Patterns and Fertility." Biology 13, no. 2 (February 19, 2024): 131. http://dx.doi.org/10.3390/biology13020131.

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Diet has a key role in the reproductive axis both in males and females. This review aims to analyze the impacts of different dietary patterns on fertility. It appears that the Mediterranean diet has a predominantly protective role against infertility, while the Western diet seems to be a risk factor for infertility. Moreover, we focus attention also on dietary patterns in different countries of the World (Middle Eastern diet, Asian diet). In particular, when analyzing single nutrients, a diet rich in saturated fatty acids, cholesterol, animal proteins, and carbohydrates with high glycemic index is highly associated with male and female infertility. Finally, we evaluate the effects of vegetarian, vegan, and ketogenic diets on fertility, which seem to be still unclear. We believe that comprehension of the molecular mechanisms involved in infertility will lead to more effective and targeted treatments for infertile couples.
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Nassan, Feiby L., Jorge E. Chavarro, and Cigdem Tanrikut. "Diet and men's fertility: does diet affect sperm quality?" Fertility and Sterility 110, no. 4 (September 2018): 570–77. http://dx.doi.org/10.1016/j.fertnstert.2018.05.025.

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Salvaleda-Mateu, Maria, Cristina Rodríguez-Varela, and Elena Labarta. "Do Popular Diets Impact Fertility?" Nutrients 16, no. 11 (May 31, 2024): 1726. http://dx.doi.org/10.3390/nu16111726.

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Infertility affects 15% of the population in developed countries, and its prevalence is increasing. Fertility can be influenced by different factors. Although key factors like maternal age cannot be changed, there is growing evidence that other modifiable factors, such as diet, can have an impact on fertility. Diet has become increasingly important in recent years for a number of reasons: the new trend toward a healthy lifestyle, the higher prevalence of certain digestive disorders, a lack of time that leads people to consume more prepared and processed food, and personal choice to not eat meat, among others. To meet these needs, several diets have recently become popular, such as the Mediterranean diet, known as the gold standard of health; the DASH diet, known for preventing hypertension; the Western diet, characterized by processed food; the ketogenic diet, characterized by low carbohydrate intake; and the vegetarian diet, which is the choice for people who do not eat meat or animal by-products. Diets present a unique composition characterized by the presence or absence of specific nutrients, which have also been associated with male and female fertility individually. This review assesses the impact of these diets and of macro- and micronutrients on both female and male fertility.
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Zabaleta, María Eléxpuru. "Mediterranean diet: Woman fertility and pregnancy." Mediterranean Journal of Nutrition and Metabolism 13, no. 1 (March 6, 2020): 101–11. http://dx.doi.org/10.3233/mnm-200402.

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Wynn, Margaret, and Arthur Wynn. "A Fertility Diet for Planning Pregnancy." Nutrition and Health 10, no. 3 (July 1995): 219–38. http://dx.doi.org/10.1177/026010609501000307.

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Dissertations / Theses on the topic "Fertility diet"

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Sinclair, Kevin D. "Consequences of maternal diet and assisted reproduction on fertility, in utero development and offspring health." Thesis, University of Nottingham, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.546240.

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Granberg, Johanna. "Kostens betydelse för fertiliteten hos kvinnor : En systematisk litteraturstudie." Thesis, Högskolan i Halmstad, Hälsa och omvårdnad, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-44781.

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Bakgrund: Infertilitet är en sjukdom i reproduktionssystemet som definieras av att en klinisk graviditet inte uppnås efter 12 månader eller mer av regelbundet oskyddat samlag. Cirka tio procent av par i fertil ålder världen över drabbas av ofrivillig barnlöshet. Hos ungefär 30 % av paren finns ingen förklaring till infertiliteten. Ofrivillig barnlöshet kan leda till långvarig kris och psykisk ohälsa. En god kosthållning kan ge olika hälsofördelar. Att vägleda och hjälpa dessa par med kostråd skulle kunna leda till bättre psykisk och fysisk hälsa samt ekonomiska besparingar för samhället. Syfte: Belysa kostens betydelse för fertiliteten. Metod: En systematisk litteratursökning. Databassökning genomfördes i CINAHL och PubMed  som resulterade i sju vetenskapliga artiklar. Resultat: Hemlagad mat, Medelhavsdiet, frukt & grönsaker, mjölkprodukter, kostfiber och omättat fett främjar fertiliteten. Socker, snabbmat och mättat fett är ogynnsamt för fertiliteten. Konklusion: Bevis har framkommit som tyder på att kosten har betydelse för kvinnors fertilitet. Implikation: En studie som finner ett resultat som påtalar att någon kost kan påverka fertiliteten kan utgöra grund för kostrådgivning som kan leda till färre fall av oönskad infertilitet och besparingar för samhället. Mer forskning inom området behövs.
Background: Infertility is a disease of the reproductive system defined by the fact that a clinical pregnancy is not achieved after 12 months or more of regular unprotected intercourse. Around ten percent of the fertile couples worldwide suffer involuntary infertility. In about 30 % of the cases there is no explanation for infertility. Involuntary infertility can lead to long-term crises and mental illness. A good diet can lead to better health. Helping these patients could lead to better mental health and physical health and economic savings for society. Purpose: To highlight the impact of the diet for fertility. Method: A systematic review. Database search was made in CINAHL and PubMed that resulted in seven scientific articles. Result: Homemade food, Mediterranean diet, fruits & vegetables, diary, dietary fiber and unsaturated fats are promoting fertility. Sugar, fast food and saturated fat are unfavorable for fertility. Conclusion: Evidence has emerged that the diet is important for women's fertility. Implication: A study that would find that a particular diet would have an impact on fertility could be useful in diet counselling that could lead to less cases of  infertility and  savings for society. More research in this area is needed.
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Baptiste, Quinn S. "The effects of diet and weight on induction of puberty and fertility response in yearling beef heifers." Morgantown, W. Va. : [West Virginia University Libraries], 2002. http://etd.wvu.edu/templates/showETD.cfm?recnum=2400.

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Thesis (M.S.)--West Virginia University, 2002.
Title from document title page. Document formatted into pages; contains vi, 63 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 49-62).
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DE, COSMI VALENTINA. "NUTRITION IN FRAGILE LIFE PHASES: FERTILITY, PREGNANCY AND HOSPITALIZED CHILDREN." Doctoral thesis, Università degli Studi di Milano, 2019. http://hdl.handle.net/2434/612582.

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This thesis deals with nutrition and diet, during the most fragile phases of life: fertility, pregnancy and hospitalized children. The duplex aim of this thesis is to investigate the dietary habits of subfertile couples attempting a pregnancy and the effects of bad nutrition on growth and metabolism in hospitalized children. It is divided into theoretical and experimental parts. The theoretical part studies firstly, the determinants of reproductive factors that influence male and female fertility and, secondly, the importance of maintaining a good nutritional status during hospital recovery in a pediatric population. The topic approached in this thesis belongs to a public health field since delivering and guarantee a good nutritional state in all ages of life is known to be crucial in the prevention of both under and overnutrition, which have both negative effects on long-term health. In the first experimental part, three studies that investigate data from a cohort of subfertile couples, presenting to the Infertility Unit of Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, Milan, are described. The aim is to analyze dietary and lifestyle habits of both males and females that may affect fertility. Dietary habits have been collected with the use of a previously validated Food Frequency Questionnaire. The results showed that a moderate alcohol intake appears associated with better semen quality in the male sample. While there is evidence to support that alcohol does have an impact on fertility, it is also difficult to establish a definitive link as there is no standard “drink” or comparative way to measure alcohol consumption. We could not analyze the role of heavy or binge drinking, which are consistently associated to detrimental effects on semen quality. Regarding female fertility, in literature there is evidence of a lower risk of in vitro fertilization failure in women reporting higher adherence to Mediterranean Diet. The analysis here described does not show a statistically significant effect of Mediterranean Diet on oocyte quality and success rate after assisted reproductive techniques. In the second experimental part, The Italian Pediatric Nutrition Survey which analyzed data from many Italian pediatric hospitals is presented, and metabolic data of children recovered in the Pediatric Unit of Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, Milan are discussed. The aim of this this second part is to show how much pediatric malnutrition is still unrecognized in hospital setting, where, an accurate nutritional and metabolic evaluation should be recommended. Strong evidences suggest that nutrition modulates the capacity to exit from the state of stress and disease, with possible repercussions on growth and development and nutrition imbalances may affect the prognosis during hospital stay. In the national survey a high prevalence of both acute and chronic malnutrition among hospitalized pediatric patients in Italy emerges, especially in infants and young children and nutritional support is only given to a small number of the malnourished children. In disease condition, the metabolic response to stress is highly variable and cannot be easily predicted, consequently it is difficult to predict the right amount of calories and nutrients that a child needs starting from the calculation of the resting energy expenditure. In this thesis was demonstrated that the commonly employed equations, WHO, Harris-Benedict, Schofield, and Oxford formulae should not be used to estimate metabolism in hospitalized children. Feeding strategies based on these equations might result in unintended underfeeding or overfeeding. The development and validation of more accurate equations will be an initial step in precipitating a culture shift which places greater emphasis on the importance of nutritional delivery as a therapeutic intervention, rather than supportive care.
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Howcroft, Rachel. "Weaned Upon A Time : Studies of the Infant Diet in Prehistory." Doctoral thesis, Stockholms universitet, Institutionen för arkeologi och antikens kultur, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-88237.

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This thesis is concerned with how prehistoric infants were fed in different physical and cultural environments, and in particular what impact the economic, social, and epidemiological changes associated with the development of agriculture had on infant feeding practices. In order to examine these effects, stable isotope ratio analysis has been used to assess the duration of breastfeeding and weaning in a variety of prehistoric contexts. The first study is of Pitted Ware Culture hunter-gatherers at the site of Ajvide on Gotland, Sweden. Breastfeeding usually continued for at least two years, but there was some variation in supplementary foods, which is attributed to seasonal variations in resource availability. The second study analysed a number of Neolithic and early Bronze Age sites from south-east Poland. Breastfeeding duration varied both within and between sites and ranged from six months to five years. The third study found that the infant feeding practices of two Iron Age populations on Öland, Sweden, were very varied, and infants may have been fed differently depending on their social status. The fourth study is of the childhood diet in the Únětice Culture of south-west Poland. Individual diets changed little during the lifetime, suggesting that eventual adult identity was determined early in life. A small number of infants in the study were found to have breastfed for differing lengths of time. The final paper considers the health consequences of introducing animal milks into the infant diet in a prehistoric context, and finds that their availability is unlikely to have made it possible to safely wean infants earlier. Comparison of the results from the four stable isotope studies to those of other published studies reveals that the modal age at the end of weaning was slightly lower in agricultural communities than hunter-gatherer communities, but the range of ages was similar. Weaning prior to the age of eighteen months was rare before the post-medieval period. It is argued that the gradual reduction in breastfeeding duration since the Neolithic, and the replacement of breastmilk with animal milk products, means that on the whole the development of agriculture probably served to increase infant morbidity and mortality.

At the time of doctoral defense the following papers were unpublished and had a status as follows: Paper 1: Manuscript; Paper 4: Accepted; Paper 5: Forthcoming 2014


Lactase Persistence and the early Cultural History of Europe (LeCHE)
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Weidemann, Annchen. "The role of fructose restriction in addition to dietary modifications for weight loss and lifestyle improvement, on fertility outcome and other markers of metabolic syndrome (MS), in obese women with polycystic ovarian syndrome (PCOS)." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/71878.

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Thesis (MNutr)--Stellenbosch University, 2012.
ENGLISH ABSTRACT: The role of fructose restriction in addition to dietary modifications for weight loss and lifestyle improvement, on fertility outcome and other markers of metabolic syndrome, in obese women with polycystic ovarian syndrome (PCOS) Introduction: At the time at which the current study was undertaken no data, as yet, existed on whether restriction of fructose, while treating obese patients with PCOS for weight loss, improves the clinical symptoms and metabolic/anthropometric profile so as to promote fertility. Objectives: To evaluate the baseline intake of fructose, as well as the effect of restricting fructose intake from fruit and soft beverages to less than 20 g daily, as well as to provide guidelines for weight loss on anthropometric measurements, for improving subjective clinical symptoms, and for promoting fertility outcome in obese patients with PCOS, who seek to become fertile. Methods: The study was conducted in the Tygerberg Hospital Infertility Clinic, as an experimental cohort. Patients with a body mass index (BMI) higher than 27, seeking fertility after diagnosis with PCOS, were referred for dietary consultation, and followed up 3 monthly over 1 year. At each visit anthropometric measurements and a detailed dietary history were taken and a questionnaire for clinical symptoms was completed. Results: Baselinely, 86 patients were included in the study. Averages for weight and BMI were 99.8 ± 24.3 kg and 39.2 ± 8.7kg/m2, respectively. Average baseline daily fructose intake was 167 ± 116.8g. At baseline, significant relationships were shown between fructose intake and burning feet (ρ=0.02) and frequent waking (ρ=0.02), with a trend towards nightly eating (ρ=0.07). The dropout rate after visit 1 was 50%, with a further dropout of 41% after visit 2. After 3 visits (n=18), fructose intake significantly reduced (ρ=0.018), with the significant relationships with clinical symptoms having disappeared by visit 2. After 3 visits (n=18), both weight and BMI decreased significantly (ρ=0.017) and (ρ=0.019), respectively. Fructose was tested as a covariate to BMI, with high significance (ρ=0.006) in said population group. Conclusion: Dietary intervention to reduce fructose intake proved significant for weight loss and BMI after 3 visits. Reduced fructose intake was associated with reduced clinical symptoms. With fructose being a significant covariate to BMI, it can be concluded that fructose overconsumption could possibly contribute to both clinical symptoms and elevated BMI in said study population.
AFRIKAANSE OPSOMMING: Die rol wat die beperking van fruktose speel bykomend tot dieetaanpassings en lewenstylverbetering vir gewigsverlies by oorgewig vroue met polisistiese ovariële sindroom (PCOS) in die uitkoms van fertiliteit en ander merkers van metaboliese sindroom. Inleiding: Met die aanvang van hierdie studie was daar is geen data beskikbaar oor die invloed van die beperking van fruktose in die dieet van oorgewig pasiënte met PCOS wat vir gewigsverlies behandel word nie. Dit was ook nie bekend of laasgenoemde pasiënte se kliniese simptome en metaboliese/antropometriese profiel sou verbeter met die beperking van fruktose sodat fertiliteit by hierdie pasiënte terselfdertyd ook bevorder word nie. Doelwitte: Die evaluering van die aanvanklike inname van fruktose, sowel as die beperking van fruktose afkomstig van eetbare vrugte en versoete drankies en sap tot ’n inname van minder as 20 g daagliks, tesame met riglyne vir gewigsverlies. Die uitkoms hiervan is bepaal deur antropometriese metings, die verbetering in subjektiewe kliniese simptome en die fertiliteituitkoms by oorgewig pasiënte wat hulp met fertiliteit verlang. Metodes: Die studie het as ’n eksperimentele kohort by die Infertiliteitskliniek by Tygerberg Hospitaal plaasgevind. Pasiënte wat na diagnose met PCOS fertiliteitsbehandeling verlang het en ’n BMI hoër as 27 gehad het , is vir dieetbehandeling verwys en driemaandeliks oor ’n tydperk van een jaar opgevolg. Tydens elke besoek is antropometriese metings en ’n omvattende dieetgeskiedenis geneem en ’n vraelys oor kliniese simptome ingevul. Resultate: Aanvanklik is 86 pasiënte by die studie ingesluit. Gemiddeldes vir gewig en BMI was 99.8 ± 24.3 kg en 39.2 ± 8.7 kg/m2 respektiewelik. Gemiddelde aanvanklike daaglikse inname van fruktose was 167 ± 116.8 g. Oorspronklik het betekenisvolle verhoudings tussen fruktose en die volgende bestaan: brandvoete (ρ=0.02) en veelvuldige episodes van nagtelike wakkerheid (ρ=0.02), met ’n neiging na nagtelike etery (ρ=0.07). Die uitvalsyfer na een besoek was 50% met ’n verdere uitvalsyfer van 41% na die tweede besoek. Na drie besoeke (n=18) het sowel die gewig as die BMI betekenisvolle afname getoon (ρ= 0.017) en (ρ=0.019), respektiewelik. Fruktose is as ’n belangrike kovariant vir BMI (ρ= 0.006) vir hierdie populasiegroep geïdentifiseer. Gevolgtrekking: Dieetintervensie vir die vermindering van die inname van fruktose was beduidend vir gewigsverlies en afname in BMI na drie besoeke. Verminderde fruktose-inname het gelei tot die vermindering van kliniese simptome. Met fruktose as beduidende kovariant vir BMI kan die gevolgtrekking gemaak word dat die oor-inname van fruktose by hierdie studiepopulasie waarskynlik tot sowel kliniese simptome as BMI bygedra het.
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Pinheiro, Ralph Maturano. "Reprodução, desenvolvimento e hábitos de Chelopistes meleagridis (Linnaeus, 1758) (Phthiraptera: Ischnocera) em laboratório." Universidade Federal de Juiz de Fora, 2012. https://repositorio.ufjf.br/jspui/handle/ufjf/1665.

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A bionomia de Chelopistes meleagridis fora do hospedeiro foi observada com o objetivo de compreender aspectos relacionados ao ciclo de vida desta espécie. Para isto, adultos de C. meleagridis foram coletados e colocados em condições controladas para se reproduzir, oferecendo-se pena como alimento. Da prole destes adultos, foi observado o desenvolvimento de 150 indivíduos desde o ovo até a fase adulta. Para 75 destes, foi oferecida a dieta composta de pena, enquanto para os outros 75 a dieta foi composta de pena e pele do hospedeiro (peru, Meleagris gallopavo). Ao verificar que a dieta “pena + pele” foi a que resultou no maior número de adultos, foram observadas a fertilidade, fecundidade e a longevidade de piolhos criados in vitro desde o primeiro ínstar alimentados com esta dieta. Valores altos relacionados à reprodução desta espécie foram encontrados em relação a outros piolhos da subordem Ischnocera, destacando-se: número de ovos produzidos por dia e número de ovos produzidos por fêmeas durante a vida (médias de 2,54 e 26,61 ovos, respectivamente, para fêmeas selvagens e 2,11 e 29,33 ovos, respectivamente, para fêmeas criadas in vitro.). A inclusão de pele na dieta foi determinante para o desenvolvimento até o estágio adulto, uma vez que 48% dos piolhos alimentados com essa dieta atingiram a fase adulta. Quando foi oferecido apenas pena, 1,3% dos piolhos atingiram a maturidade. O tempo de desenvolvimento de machos e fêmeas foi semelhante (média de 29,38 dias) sem haver diferença na proporção sexual dos adultos.
Bionomics of the large louse turkey Chelopistes meleagridis off host was evaluated to comprehend aspects related to life cycle. To this, adults was collected and put in controlled conditions for reproduce, offered feathers as food. From offspring of these adults were observed the development of 150 lice from eggs to adults. To 75 of them was given only feathers as resource of food while to others 75 lice the diet was composed by feathers and skin debris from the natural host, Meleagris gallopavo. When verified that diet composed by feather + skin resulted in more adults, was evaluated fertility, fecundity and longevity of this specie reared in vitro from first nymphs to adults feed with this diet. High values related to reproduction of this specie were found in comparison with others avian Ischnocera, like: number of eggs produced by day and number of egg produced during the lifespan of females (means of 2.54 and 26.61, respectively to wild females and 2.11 and 29.33 respectively to females reared in vitro). The addition of skin in diet was determinant to development to adult stage, once time 48% fed with this diet reared to adults while the lice feed with feathers only 1.3 % of then became adult stage. The time of development of males and females was the same (29 days). The sex rate of adults reared in vitro was 1:1.
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Harnois-Leblanc, Soren. "Évaluation de l’impact de la qualité alimentaire dans le cadre d’une intervention interdisciplinaire pour l’adoption de saines habitudes de vie chez les femmes obèses souffrant d’infertilité." Mémoire, Université de Sherbrooke, 2017. http://hdl.handle.net/11143/11500.

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Contexte : Une amélioration des habitudes de vie, avec une légère perte pondérale (5 %), augmenterait les chances de concevoir un enfant chez les femmes obèses souffrant d’infertilité. La perte de poids est considérée comme le principal déterminant de la survenue d’une grossesse, mais aucune étude n’a évalué le rôle la qualité alimentaire. Objectif principal : Évaluer l’impact de l’amélioration de la qualité alimentaire sur les chances de survenue d’une grossesse auprès de femmes obèses et infertiles. Méthodologie : Étude prospective s’insérant dans un essai randomisé contrôlé évaluant l'impact d'une intervention interdisciplinaire visant l’amélioration des habitudes de vie sur la fertilité des femmes obèses suivies à la clinique de fertilité du CHUS en comparaison à des femmes ayant accès aux soins standards en fertilité seulement (n = 102). Des visites de recherche ont lieu à l’entrée de l’étude puis aux 6 mois jusqu’à la fin du projet, soit après 18 mois ou jusqu’à l’accouchement. La collecte de données inclut un questionnaire de fréquence alimentaire, des mesures anthropométriques et un test de condition physique. Un index de qualité alimentaire, le Healthy Eating Index modifié (mHEI, 0-100 points), a été calculé. Résultats : Pour l’ensemble des participantes, l’amélioration de la qualité alimentaire n’était pas associée à de meilleures chances de grossesse. À l’aide d’un modèle de régression de Cox, il a été possible d’observer que la qualité alimentaire initiale était un prédicteur important de grossesse au sein des deux groupes confondus (HR (par 10 unités) : 1,24 [1,03 – 1,50], p = 0,027), indépendamment du niveau de condition physique et de l’anthropométrie. De façon similaire, une meilleure qualité alimentaire observée avant conception présentait une association significative indépendante avec les chances de concevoir dans le temps (HR (par 10 unités) : 1,25 [1,04 – 1,49], p = 0,017). Les variables anthropométriques, incluant le poids, n’étaient pas associées à une probabilité accrue de concevoir. Conclusion : Une meilleure qualité alimentaire en préconception augmenterait les chances de grossesse chez les femmes infertiles souffrant d’obésité.
Abstract : Background : Improvement of lifestyle habits, associated with a modest weight loss (5 %), has shown to increase odds of pregnancy in overweight and obese women diagnosed with infertility. Weight loss is considered as the main factor that explains the improvement of fertility, but no study evaluated the specific role of diet quality on fertility in this population. Objective : Evaluate the impact of improving diet quality on odds of pregnancy in obese and infertile women seeking for fertility treatments. Methods : Prospective study nested in a randomized controlled trial evaluating the impact of an interdisciplinary lifestyle intervention on fertility of obese women followed at the fertility clinic of the CHUS, in comparison to standard fertility care only. Research visits take place every 6 months until the end of the project, which is after 18 months or delivery. Data collection include a food frequency questionnaire, anthropometric measurement and a fitness evaluation. A score of diet quality, the modified Healthy Eating Index (mHEI, 0-100 units), was calculated. Results : For all the participants, improvement of diet quality was not associated with the probability of pregnancy. With Cox regression, we observed that the initial diet quality was an important predictor of pregnancy within the two confounded groups (HR (by 10 units) : 1.24 [1.03 – 1.50], p = 0.027), independently of cardiorespiratory fitness and anthropometry. Similarly, the best diet quality observed before conception presented a significant independent association with odds of pregnancy over time (HR (by 10 units) : 1.25 [1.04 – 1.49], p = 0.017). Anthropometric variables, including weight, were not associated with a higher probability of conception. Conclusion : A greater diet quality in preconception seems to increase probability of pregnancy in obese infertile women.
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Linhares, Boakari Yatta. "EFFECTS OF A SYSTEMIC HIGH UREA CONCENTRATION ON THE ENDOMETRIAL AND EMBRYONIC TRANSCRIPTOMES OF THE MARE." UKnowledge, 2019. https://uknowledge.uky.edu/gluck_etds/42.

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Pregnancy loss remains a major source of economic cost to the equine industry. Frequently, the exact causes of pregnancy loss remain unknown. It has been shown, in other species, that increased dietary protein leading to elevated blood urea nitrogen concentrations (BUN) can be a factor in decreased survival of the early embryo. Our studies provided novel information regarding the effects of elevated BUN on endometrium and embryos from mares as well as insights on changes in their gene expression. Our first objective was to develop an experimental model to elevate BUN during diestrus using intravenous urea infusion. We analyzed the effects of an acute elevation in BUN on uterine and vaginal pH along with changes in the endometrial transcriptome of mares with RNA sequencing. There was a significant increase in BUN and a decrease in uterine pH in the urea group compared to the control group. A total of 193 genes were differentially expressed (DEG) between the urea and control groups. The DEG were predicted to be related to cell pH, ion homeostasis, changes in epithelial tissue, fatty acid metabolism, and solute carriers. Our second objective was to evaluate the effects of elevated BUN in the endometrium of mares using a chronic oral urea administration to elevate BUN in mares. Uterine and vaginal pH were evaluated and RNA sequencing of the endometrium was again performed. There was an increase in BUN in the urea-fed mares, but no significant change in uterine or vaginal pH between the groups. A total of 60 DEG were characterized, with prediction of transcriptomic changes in the endometrium of mares related to cell death (necrosis) and cellular movement (invasion of cells). Our third objective was to determine the effects of a high BUN on the transcriptome of day-14 embryos. There was a positive correlation between plasma BUN and blastocoele fluid urea nitrogen concentration. Changes in embryo transcriptome were related to survival of organism, angiogenesis, adhesion, and quantity of cells. Our final objective was to evaluate the correlation between BUN and follicular fluid urea nitrogen and evaluate the survival of embryos collected from donor mares with high BUN concentrations. Urea nitrogen concentration was positively correlated between the plasma and follicular fluid of mares. Additionally, there was a higher pregnancy rate when embryos were collected from mares with lower BUN. Overall, these results further elucidate the mechanisms through which urea affects endometrial and embryonic transcriptome of mares with high BUN, serving to identify effects of a high BUN in the reproductive tract of mares that might lead to decreased fertility.
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Scohier, Alexandra. "Impact d'une mise en defens temporaire de prairies permanentes durant le pic de floraison : sélection alimentaire des brebis, diversité floristique et entomologique (Lepidoptera, Bombidae, Carabidae) des couverts." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2011. http://tel.archives-ouvertes.fr/tel-00708561.

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L'érosion de la biodiversité prairiale est devenue une préoccupation majeure à l'échelle Européenne. Le pâturage ovin est supposé avoir un impact négatif sur la diversité prairiale, en raison de leur forte sélectivité pour les dicotylédones, indispensables aux insectes pollinisateurs. Comparés aux bovins, les ovins structurent peu les couverts et créent également moins de niches écologiques contrastées. L'objectif de cette thèse était de tester la faisabilité, et les bénéfices en pâturage ovin, d'une conduite en rotation dans laquelle une sous-parcelle est temporairement exclue du pâturage au moment du pic de floraison. Les effets de cette conduite ont été comparés à ceux d'un pâturage continu au même chargement. Au delà des indicateurs directs de performances zootechniques et de biodiversité (plantes, papillons, bourdons et carabes), nous avons analysé la sélection alimentaire des brebis dans les deux modes de conduite. Nous avons aussi cherché à appréhender comment la race et la fertilité du milieu pouvaient moduler la faisabilité d'un tel pâturage tournant et son intérêt vis-à-vis de la préservation de la biodiversité. Indépendamment de leur race, les brebis ont présenté une sélection alimentaire accrue vis-à-vis des dicotylédones dans les parcelles pâturées en rotation, qui a rapidement entraîné une diminution de leur richesse floristique en comparaison des parcelles pâturées en continu. L'augmentation de l'intensité de floraison des sous parcelles temporairement exclues de la rotation a favorisé les bourdons, probablement en raison de l'augmentation de la ressource en pollen et en nectar. En revanche, ce mode de gestion n'a pas permis d'augmenter la densité ni la richesse spécifique des papillons et des carabes. Le bénéfice d'une mise en défens temporaire d'une partie des parcelles semble donc moindre qu'en pâturage bovin. Définir les dates de mises en défens par rapport à la floraison d'espèces indicatrices, moduler la durée de la mise en défens en fonction de la pousse de printemps, et prolonger l'exclusion de certaines parcelles en automne et en hiver sont autant de pistes qu'il nous reste à explorer, afin de déterminer les conditions d'application optimale d'une telle conduite.
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Books on the topic "Fertility diet"

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Walter, Willett, and Skerrett P. J. 1953-, eds. The fertility diet. New York: McGraw-Hill, 2009.

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Chavarro, Jorge. The Fertility Diet. New York: McGraw-Hill, 2007.

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Shannon, Marilyn M. Fertility, cycles & nutrition: How your diet affects your menstrual cycles & fertility. 3rd ed. Cincinnati, Ohio: Couple to Couple League International, 2001.

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1960-, Bouchéz Colette, ed. Getting pregnant: The new fertility diet guide. New York, NY: Ivy League Press, 2009.

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Reiss, Fern. The infertility diet: Get pregnant and prevent miscarriage. Newton, MA: Peanut Butter and Jelly Press, 1999.

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Hollins-Martin, Caroline, Olga van den Akker, Colin Martin, and Victor R. Preedy, eds. Handbook of diet and nutrition in the menstrual cycle, periconception and fertility. The Netherlands: Wageningen Academic Publishers, 2014. http://dx.doi.org/10.3920/978-90-8686-767-7.

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Rand, Victoria. Healing gourmet, eat to boost fertility. New York: McGraw-Hill, 2006.

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Walter, Willett, and Skerrett P. J. 1953-, eds. The fertility diet: Groundbreaking research reveals natural ways to boost ovulation & improve your chances of getting pregnant. New York: McGraw-Hill, 2008.

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Hahn, Kim. Cooking to conceive: Fertility-boosting foods & recipes to help you get pregnant. San Francisco: Chronicle Books, 2009.

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Stephen, Braun, ed. The male biological clock: The startling news about aging, sexuality, and fertility in men. New York: Free Press, 2005.

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Book chapters on the topic "Fertility diet"

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Downs, Jaclyn. "Eat a Nourishing Diet, Not a "Healthy" Diet." In Enhancing Fertility through Functional Medicine, 43–47. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/b23201-7.

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Daabis, H., and T. A. Gelbaya. "2. Fertility in women." In Handbook of diet and nutrition in the menstrual cycle, periconception and fertility, 33–46. The Netherlands: Wageningen Academic Publishers, 2014. http://dx.doi.org/10.3920/978-90-8686-767-7_2.

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Balabanič, D., and A. Krivograd Klemenčič. "22. Diet containing endocrine-disruptors and reproductive health." In Handbook of diet and nutrition in the menstrual cycle, periconception and fertility, 359–72. The Netherlands: Wageningen Academic Publishers, 2014. http://dx.doi.org/10.3920/978-90-8686-767-7_22.

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Erbil, N. "7. Diet and eating changes in premenstrual syndrome." In Handbook of diet and nutrition in the menstrual cycle, periconception and fertility, 109–20. The Netherlands: Wageningen Academic Publishers, 2014. http://dx.doi.org/10.3920/978-90-8686-767-7_7.

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Trost, Landon W., Ahmet Gudeloglu, Edmund Y. Ko, and Sijo J. Parekattil. "The Importance of Diet, Vitamins, Malnutrition, and Nutrient Deficiencies in Male Fertility." In Male Infertility, 61–82. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4939-1040-3_5.

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Mendoza, N., and M. J. Cancelo. "32. Diabetes mellitus and polycystic ovary syndrome: implications for diet and nutrition." In Handbook of diet and nutrition in the menstrual cycle, periconception and fertility, 521–32. The Netherlands: Wageningen Academic Publishers, 2014. http://dx.doi.org/10.3920/978-90-8686-767-7_32.

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Ford, J. H. "1. Diet and nutrition in fertility: an overview including special requirements with ageing." In Handbook of diet and nutrition in the menstrual cycle, periconception and fertility, 15–32. The Netherlands: Wageningen Academic Publishers, 2014. http://dx.doi.org/10.3920/978-90-8686-767-7_1.

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Derbyshire, E. "19. Lower fertility associated with periconceptional obesity and underweight." In Handbook of diet and nutrition in the menstrual cycle, periconception and fertility, 313–26. The Netherlands: Wageningen Academic Publishers, 2014. http://dx.doi.org/10.3920/978-90-8686-767-7_19.

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Palomba, S., A. Falbo, and G. B. La Sala. "33. Hypocaloric diets in overweight and obese patients with polycystic ovary syndrome." In Handbook of diet and nutrition in the menstrual cycle, periconception and fertility, 533–52. The Netherlands: Wageningen Academic Publishers, 2014. http://dx.doi.org/10.3920/978-90-8686-767-7_33.

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Bereket, A., and Z. Atay. "10. The influence of body mass index and socioeconomic status on pubertal development." In Handbook of diet and nutrition in the menstrual cycle, periconception and fertility, 155–68. The Netherlands: Wageningen Academic Publishers, 2014. http://dx.doi.org/10.3920/978-90-8686-767-7_10.

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Conference papers on the topic "Fertility diet"

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Ruais, Dani Renay. "The effects of a nutrient-rich diet on the fertility of the parasitic waspTamarixia radiataWaterston (Hymenoptera: Eulophidae)." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.114878.

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Yakimov, N. I., V. V. Nosnikov, and A. V. Yurenya. "RATIONAL USE OF LAND DERIVED FROM AGRICULTURAL USE." In STATE AND DEVELOPMENT PROSPECTS OF AGRIBUSINESS Volume 2. DSTU-Print, 2020. http://dx.doi.org/10.23947/interagro.2020.2.310-313.

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The article discusses the use of former agricultural lands for afforestation. The fertility of these lands is reduced, low biological activity of soils is noted, the content of substances inhibiting the growth of woody plants is observed. The presence of a compacted subsurface layer contributes to the fact that the root systems of trees are formed by surface and do not reach groundwater. Created forest plantations usually experience a water supply crisis, they die off in dry years, they are easily exposed to diseases and pests. Possible ways of solving problems associated with afforestation in this category of land are suggested.
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Yoshimura, Adriana Akemi, André Mattar, Bruna S. Mota, Carlos Elias Fristachi, Eduardo Carvalho Pessoa, Felipe Eduardo Andrade, Giuliano Tosello, et al. "A MULTICENTRIC STUDY ON BREAST CANCER IN ULTRA YOUNG WOMEN: III – THERAPEUTIC ASPECTS AND ONCOLOGICAL OUTCOMES." In Scientifc papers of XXIII Brazilian Breast Congress - 2021. Mastology, 2021. http://dx.doi.org/10.29289/259453942021v31s1091.

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Introduction: We have originally introduced the concept of ultra young women (UYW), defined as age ≤30 years old. It is generally accepted that UYW patients with breast cancer (BC) share some unfavorable outcomes and the patients are faced with family and professional problems, and unique quality of life issues, including loss of fertility, contraception, pregnancy, sexuality, cancer during pregnancy, body image and emotional distress, that complicate treatment decisions making. Objectives: Study the type of surgical and systemic treatment and oncologic outcomes in UYW with BC. Methods: We conducted a multicentric, observational, retrospective study of consecutive BC UYW patients. Only patients with infiltrating BC were included. Nine Mastology Centers located in the State of São Paulo participated. The following data were recorded: type of surgery, chemotherapy, endocrinetherapy, and radiotherapy. Individual oncologic evolution was analyzed and the patients were classified as alive without disease (AWD), alive with local recurrence (ALR), alive with systemic recurrence (ASR), died from BC (DBC) or died from another cause (DOC). The research protocol was approved by the Ethics Committee of all Collaborative Centers. Results: Sixteen percent of UYW with BC underwent mastectomies, 10% nipple-sparing mastectomies and 16% breast conservative surgeries. About 50% had immediated breast reconstruction. Sentinel node biopsy was performed in 24%. 18% had more than four compromised LNs, 8% with extracapsular leak. 37% received adjuvant or palliative chemotherapy. 61% were submitted to irradiation. 54% had adjuvant hormonetherapy. The mean time of follow-up was 41.5 months (1.5-207). It was observed that 59% were AWD, 1% ALR, 7% ASR and 23% DBC, unfortunately standing out the elevated contingent of BC-related deaths. Conclusions: BC therapy in UYW were tailored according to individual characteristics, but the oncological outcomes in this age range at the moment could be considered unfavorable.
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Souza, Alessandra Borba Anton de, Beatriz Fetzner, Ester da Rosa, Gustavo Roesler, Isabela Albuquerque Severo de Miranda, Marcelle Morais dos Santos, Felipe Pereira Zerwes, and Antônio Luiz Frasson. "ENDOCRINE THERAPY INTAKE AND OVERALL SURVIVAL IN YOUNG WOMEN WITH BREAST CANCER." In Abstracts from the Brazilian Breast Cancer Symposium - BBCS 2021. Mastology, 2021. http://dx.doi.org/10.29289/259453942021v31s2073.

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Objective: Breast cancer (BC) in young women with positive hormone receptors (HR+) has a poor prognosis. There are possible clinical and biological explanations for these findings, being partially attributed to suboptimal adherence to endocrine therapy (ET). Fertility is one of the key factors for treatment discontinuation. This study aims to estimate the adherence of ET and the overall survival (OS) rate of BC/HR+ in young patients. Methods: We identified women from the public health system, diagnosed with stage I–III BC presenting at one single BC Center, between January 2006 and December 2015. Using the medical records of the hospital database, we constituted a cohort of 74 women aged ≤40 years. The discontinuation rate with associated factors and OS were summarized as percentages. Results: A total of 51 women were BC/HR+. The mean age at diagnosis was 35 years. The median follow-up was 89 months. Among them, 45% had BC recurrence (local and/or distance), and 21% died. A total of 15% of patients interrupted the ET. The reasons for interruption were pregnancy (three patients), menstrual disorders (two patients), and irregular adherence (three patients). Tamoxifen (TMX) was prescribed in 74% of cases. About 19% switched their treatment to aromatase inhibitors. The genetic risk assessment was recommended to 58% of patients, 13% performed genetic tests, and 2% of patients carried out the pathogenic mutation in the high-risk BC genes. Conclusion: This cohort showed 84% of ET intake should be improved. Pregnancy issues and irregular adherence were the main reasons for discontinuation. Considerations of 78% OS in 7 years are that TMX was the only ET for most of the cohort, and it is considered undertreatment according to the current recommendations, and the low rate of genetic tests performed leads unrecognized high risk of potential recurrence in women with hereditary BC. Research in medical records should be addressed as a limitation.
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Frielitz-Wagner, Isabel Viola, Nora Kloeting, Alexandra Kulle, Karen Rieck, Olle Söder, and Olaf Hiort. "Diabetes Mellitus Typ 1 kann eine Hodenatrophie mit Leydig-Zell-Hyperplasie und Keimzelldepletion induzieren und beeinflusst somit negativ die Hodenfunktion und Fertilität in männlichen Ratten." In Diabetes. Umwelt. Leben. Perspektiven aus allen Blickwinkeln. Georg Thieme Verlag KG, 2024. http://dx.doi.org/10.1055/s-0044-1785255.

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Soares, Liliana, and Ermanno Aparo. "The Concept of Tantra as Meta-Design to Create Sustainability." In 13th International Conference on Applied Human Factors and Ergonomics (AHFE 2022). AHFE International, 2022. http://dx.doi.org/10.54941/ahfe1001422.

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This article is an ongoing research and takes Tantra (Saraswati, 1981) to present an academic project that refers to the expansion of knowledge, understanding the body of an object through as a supreme shelter link. On the one hand, the female element represents the a whole as the beginning of everything and the supreme power of creation. On the other hand, the male element is associated with transcendence.Similar to designing, from the perspective of tantrism, the union of the two energies - feminine and masculine – is crucial and for this reason, the care of the object's body is essential.Phenomenologically, as Feuerstein (2005) states the tantric point of view does not deny the world of experiences, but views positively the culture of potential intrinsic psychophysical body and mind. This thesis comprises not only time and space, but also the external factors that cross-fertilize reality and, for this reason, enter into design process. In this sense, objects’ body is full of organs, but visible only to designers, requiring guidance from a master.In art, in early 20th century, there were similarities between the abstractions of Paul Klee, Piet Mondrian or Robert Delaunay. After that, Neo Tantrism emerged in the 1960s with the indian artist K. C.S. Paniker (1911-1977).In design, it seems Tantra contest divisions between opposites by teaching that everything is respected and incorporated, which includes the concept of marginal in society. For instance, Bauhaus (Germany, 20’s), Memphis (Italy, 60’s), Droog Design (Netherlands, 90’s) seem to represent it, as this is more about change in the world, via the body, rather than transcendence of it. In design Tantra can be understood as a moment of reflection on the nature of design and an occasion to continually think and get to know design, for instance, a process-oriented process. A reality that enhances scenario hypotheses, but without reaching a productive result.This ongoing research is non-interventionist and interventionist. The non-interventionist phase consists of the analysis and interpretation of concepts, contents from the past as well as visual imagery of Tantra. The interventionist phase resides on a pilot project.Thus, thinking about method in design means thinking about a phenomenological process such as interpretation. A path that is inductive like self-production, deductive like engineering, abductive intelligently linking hypotheses through experience, and also intuitive, imaginative, inventing, telling the story of material culture in another way. An alternative that needs to die and to live again, a process that, between analysis, intuition and experience, appeals to the dialectical reflection of design as an interlocutor between the individual and material culture in order to create sustainability.
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Reports on the topic "Fertility diet"

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Deng, Yingjun, ShengJing Liu, Ming Zhao, Feng Zhao, Jun Guo, and Bin Yan. Diet-induced male infertility in mice models: a systematic review and network meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, May 2022. http://dx.doi.org/10.37766/inplasy2022.5.0116.

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Review question / Objective: In order to compare the different high energy diet such as high-fat diet and high sugar diet how to damage the male mice model in metabolize and fertility,and explore a reliable mice model method in the study of obesity with male infertility. P：obesity mice model with male infertility. I: High energy diet such as High-fat or High-sugar diet. C:High-fat diet,High-sugar diet, compared with normal diet in mice model. O:High energy diet induce male mice obesity model and damage their fertility. S: Use network meta-analysis. Condition being studied: The relationship between obesity and male infertility attacth more and more attention at present.So many animal expriments are carried out on this problem,there are enough exprimental article to support this meta analysis.
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Butler, Walter R., Uzi Moallem, Amichai Arieli, Robert O. Gilbert, and David Sklan. Peripartum dietary supplementation to enhance fertility in high yielding dairy cows. United States Department of Agriculture, April 2007. http://dx.doi.org/10.32747/2007.7587723.bard.

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Objectives of the project: To evaluate the effects of a glucogenic supplement during the peripartum transition period on insulin, hepatic triglyceride accumulation, interval to first ovulation, and progesterone profile in dairy cows. To compare benefits of supplemental fats differing in fatty acid composition and fed prepartum on hepatic triglyceride accumulation, interval to first ovulation, progesterone profile, and uterine prostaglandin production in lactating dairy cows. To assess the differential and carry-over effects of glucogenic and fat supplements fed to peripartum dairy cows on steroidogenesis and fatty acids in ovarian follicles. To determine the carry-over effects of peripartum glucogenic or fat supplements on fertility in high producing dairy cows (modified in year 3 to Israel only). Added during year 3 of project: To assess the activity of genes related to hepatic lipid oxidation and gluconeogenesis following dietary supplementation (USA only). Background: High milk yields in dairy cattle are generally associated with poor reproductive performance. Low fertility results from negative energy balance (NEBAL) of early lactation that delays resumption of ovarian cycles and exerts other carryover effects. During NEBAL, ovulation of ovarian follicles is compromised by low availability of insulin and insulin-like growth factor-I (IGF-I), but fatty acid mobilization from body stores is augmented. Liver function during NEBAL is linked to the resumption of ovulation and fertility: 1) Accumulation of fatty acids by the liver and ketone production are associated with delayed first ovulation; 2) The liver is the main source of IGF-I. NEBAL will continue as a consequence of high milk yield, but dietary supplements are currently available to circumvent the effects on liver function. For this project, supplementation was begun prepartum prior to NEBAL in an effort to reduce detrimental effects on liver and ovarian function. Fats either high or low in unsaturated fatty acids were compared for their ability to reduce liver triglyceride accumulation. Secondarily, feeding specific fats during a period of high lipid turnover caused by NEBAL provides a novel approach for manipulating phospholipid pools in tissues including ovary and uterus. Increased insulin from propylene glycol (glucogenic) was anticipated to reduce lipolysis and increase IGF-I. The same supplements were utilized in both the USA and Israel, to compare effects across different diets and environments. Conclusions: High milk production and very good postpartum health was achieved by dietary supplementation. Peripartum PGLY supplementation had no significant effects on reproductive variables. Prepartum fat supplementation either did not improve metabolic profile and ovarian and uterine responses in early lactation (USA) or decreased intake when added to dry cow diets (Israel). Steroid production in ovarian follicles was greater in lactating dairy cows receiving supplemental fat (unsaturated), although in a field trail fertility to insemination was not improved.
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Aigner-Walder, Birgit, and Thomas Döring. Zukünftige Entwicklung der privaten Verkehrsausgaben in Deutschland aufgrund des demographischen Wandels. Sonderforschungsgruppe Institutionenanalyse, 2013. http://dx.doi.org/10.46850/sofia.9783941627260.

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Deutschland gehört zu jenen Industriestaaten, in welchen der demographische Wandel bereits weit fortgeschritten ist. Das Phänomen einer alternden und – ohne Zuwanderungsbewegungen aus dem Ausland – zugleich schrumpfenden Bevölkerungsentwicklung, welches durch den Anstieg der Lebenserwartung und den Rückgang der Fertilität bedingt ist, betrifft dabei keineswegs nur Industriestaaten wie Deutschland. Vielmehr sind die genannten demographischen Entwicklungen weltweit beobachtbar, wenn auch noch in geringerem Ausmaß. Vor diesem Hintergrund widmet sich der vorliegende Beitrag mit den privaten Verkehrsausgaben einer Konsumgruppe der privaten Haushalte, für welche laut vorliegenden Studien aufgrund der Alterung der Bevölkerung deutliche Veränderungen zu erwarten sind. Der Verkehrssektor scheint dabei insbesondere von Interesse, da abgesehen von der Privatwirtschaft mit Blick auf die Herstellung von Verkehrsmitteln auch die öffentliche Hand bezogen auf die Bereitstellung der Verkehrsinfrastruktur in keinem geringen Maße betroffen ist. Ziel des Beitrags ist es, potentielle Effekte der Bevölkerungsalterung auf den privaten Konsum von Gütern und Dienstleistungen im Verkehrsbereich zu identifizieren. Dazu erfolgt zunächst eine Erörterung grundlegender theoretischer Ansätze zu den Bestimmungsfaktoren des privaten Konsumverhaltens sowie eine Darstellung bisheriger empirischer Ergebnisse zu den Auswirkungen des demographischen Wandels auf die Ausgaben im Bereich Verkehr (Kapitel 2). Daran anschließend wird die Entwicklung der privaten Verkehrsausgaben in Deutschland im langfristigen Trend analysiert (Kapitel 3). Daran anknüpfend werden altersbedingte Unterschiede im Konsumverhalten privater Haushalte – vor allem in Bezug auf Verkehrsausgaben – eingehender beleuchtet (Kapitel 4). Den Abschluss bildet eine zusammenfassende Darstellung der zu erwartenden Effekte der Bevölkerungsalterung auf die privaten Verkehrsausgaben in Deutschland (Kapitel 5).
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4

Mitchell, Brian G., Amir Neori, Charles Yarish, D. Allen Davis, Tzachi Samocha, and Lior Guttman. The use of aquaculture effluents in spray culture for the production of high protein macroalgae for shrimp aqua-feeds. United States Department of Agriculture, January 2013. http://dx.doi.org/10.32747/2013.7597934.bard.

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The FAO has projected a doubling in world demand for seafood during the 21 ed from aquaculture of marine fish and shrimps fed primarily on fishmeal-based aquafeeds. However, current practices of high intensity monoculture of shrimp in coastal ponds and fish in offshore pens have been strongly criticized as being ecologically and socially unsustainable. This view derives from un- checked eutrophication of coastal marine ecosystems from fish farm effluents, and the destruction of coastal estuarine ecosystems by shrimp farm constructions, plus aquaculture’s reliance on wild-caught small fish - which are excellent food for humans, but instead are rendered into fishmeal and fish oil for formulating aquafeeds. Fishmeal-sparing and waste- reduction aquafeeds can only delay the time when fed aquaculture product are priced out of affordability for most consumers. Additionally, replacement of fishmeal protein and fish oil by terrestrial plant sources such as soybean meal and oil directly raises food costs for human communities in developing nations. New formulations incorporating sustainably-produced marine algal proteins and oils are growing in acceptance as viable and practical alternatives. This BARD collaborative research project investigated a sustainable water-sparing spray/drip culture method for producing high-protein marine macrophyte meals for incorporation into marine shrimp and fish diets. The spray culture work was conducted at laboratory-scale in the USA (UCSD-SIO) using selected Gracilariaand Ulvastrains isolated and supplied by UCONN, and outdoors at pilot-scale in Israel (IOLR-NCM) using local strains of Ulvasp., and nitrogen/phosphorus-enriched fish farm effluent to fertilize the spray cultures and produce seaweed biomass and meals containing up to 27% raw protein (dry weight content). Auburn University (USA) in consultation with TAMUS (USA) used the IOLR meals to formulate diets and conduct marine shrimp feeding trials, which resulted in mixed outcomes, indicating further work was needed to chemically identify and remove anti-nutritional elements present in the IOLR-produced seaweed meals.
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