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Dissertations / Theses on the topic 'Selemium in animal nutrition'

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Published: 4 June 2021

Last updated: 29 July 2025

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1

Archer, Jason Allan. "Genetic variation in the efficiency of feed utilisation by animals." Title page, table of contents and abstract only, 1996. http://web4.library.adelaide.edu.au/theses/09PH/09pha6711.pdf.

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Bibliography: leaves 186-200. Analyses feed intake and growth data from cattle, which indicates that genetic variation exists in post-weaning effiency and growth. Concludes with a consideration of how post-weaning feed intake information can be used in genetic improvement programs.

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2

Maghin, F. "NATURAL EXTRACTS IN ANIMAL NUTRITION: ANIMAL WELL¿BEING AND PRODUCTS QUALITY." Doctoral thesis, Università degli Studi di Milano, 2017. http://hdl.handle.net/2434/488996.

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The main objective of this thesis was to have a deeper knowledge about the influence of feeding strategies with several natural plants extracts on pig performance and meat quality in different phases of pig production. To achieve this objective, a set of 4 studies were performed (chapter 2-6). The first study evaluated the effect of dietary supplementation with a mixture of algae plus polyphenols (AM) in lactating sow on maternal and piglets performance and sows reproductive data until the subsequent farrowing. This study showed that integration of AM in sow diet decreased the fat mobilizati

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3

Caprarulo, V. "ANIMAL NUTRITION: NEW STRATEGIES FOR NUTRITIONAL OPTIMIZATION." Doctoral thesis, Università degli Studi di Milano, 2017. http://hdl.handle.net/2434/489607.

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This dissertation focuses on the impact of nutrition to modulate and optimize milk production, blood metabolites and liver metabolism. Specifically, the main aim was to elucidate the effects of rumen protected choline (RPC) supplementation to lactating dairy cows on production, metabolic health and hepatic gene expression, for which two different studies were performed. The first study, a meta-analysis of the effect of RPC supplementation on milk yield (MY), nonesterified fatty acids (NEFA) and β-hydroxybutyrate (BHBA) in lactating dairy cows was performed in order to obtain an overall view

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4

Ratti, S. "THE INFLUENCE OF ANIMAL NUTRITION ON MEAT QUALITY." Doctoral thesis, Università degli Studi di Milano, 2015. http://hdl.handle.net/2434/259595.

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The influence of animal nutrition on meat quality Sabrina Ratti Abstract: Food and Agriculture organization of the United Nations (FAO) define meat quality as compositional quality and palatability factors such as visual appearance, smell, firmness, juiciness, tenderness, and flavour. Recently, the attention has been focused on the improvement of meat quality parameters. The protection of lipids from oxidative phenomena is fundamental to preserve meat color, nutritional quality and increase shelf life, enhancing consumer acceptability. Otherwise, it is possible to enhance nutritional qu

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5

León, Titichoca Gustavo Adolfo. "Determination of the nutritional level of calcium and phosphorus in llamas (Lama glama) in two seasons in the Condoriri Agricultural Experiment Center." BYU ScholarsArchive, 2004. https://scholarsarchive.byu.edu/etd/5383.

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The concentrations of calcium and phosphorus were determined in 12 llamas from the Condoriri Agricultural Experiment Center (Oruro Technical University) of Oruro, Bolivia during two seasons (wet and dry) and at three ages (newborn, juvenile, and adult). Samples of flesh were taken from the arm, leg, back, rib, and neck. Pasture samples (grassland and prairie) were used to determine the rate of biting of each animal studied. The blood samples were taken by extracting blood from a jugular vein. The minerals (Ca and P) in the flesh are highest in the wet season, 113.78 mg/100 g. The newborns were

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6

Harker, A. J. "Nutrition of the sow." Thesis, University of Nottingham, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376387.

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7

MARIANI, ELENA. "NUTRITION AS A TOOL TO MODULATE PRODUCTION ANIMAL HEALTH." Doctoral thesis, Università degli Studi di Milano, 2019. http://hdl.handle.net/2434/626377.

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Nutrition plays an important role in maintaining a good health status of animals as nutrients can modulate oxidative status, immune and inflammatory response. Moreover, there is a need of innovative additives and feeds that can improve organism defences against diseases. The aim of this work was to monitor different markers of oxidative stress and inflammation in production animals in response to different feed additives. In this study, first, the activation of Nuclear factor-E2 related factor 2 in transgenic mice fed different sources and amount of fatty acids was monitored. Inducing the

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8

Janse, van Rensburg Ariena. "The effect of different protein supplements on the production economics and nematode resilience of merino ewes." Pretoria : [s.n.], 2002. http://upetd.up.ac.za/thesis/available/etd-05272008-140021/.

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9

Broomhead, Jonathan. "Calcium and phosphorus requirements in turkeys and an in vitro procedure for predicting phosphorus release /." free to MU campus, to others for purchase, 2004. http://wwwlib.umi.com/cr/mo/fullcit?p3164491.

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10

McCormick, Floyd G., and David E. Cox. "An Assessment of Instructional Units for Teaching Animal Nutrition Principles." College of Agriculture, University of Arizona (Tucson, AZ), 1988. http://hdl.handle.net/10150/310803.

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11

FARINA, GRETA. "Use of functional fatty acids in animal nutrition to improve animal health status and derived products." Doctoral thesis, Università degli Studi di Milano, 2018. http://hdl.handle.net/2434/580291.

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Lo scopo della presente ricerca è stato quello di valutare degli effetti della somministrazione di differenti fonti di acidi grassi sulla salute animale e sulla qualità dei prodotti derivati; non di meno, sono stati oggetto di analisi i possibili effetti benefici sulla salute umana. A tale scopo, sono state effettuate due distinte prove sperimentali, una su capre da latte e l’altra su galline ovaiole. La prima prova ha preso in considerazione lo studio dell’espressione di geni e miRNA coinvolti nel metabolismo lipidico e nel processo infiammatorio a livello di tessuto epatico e adiposo sottoc

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12

Kendall, Dustin Clay. "Opportunities and limitations for low-protein diet formulation in swine /." free to MU campus, to others for purchase, 2004. http://wwwlib.umi.com/cr/mo/fullcit?p3164518.

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13

Mann, Jasminder Jason. "The enzymatic in vitro evaluation of protein sources for monogastric animals using the pH-stat method." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/28021.

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Three experiments were conducted to study the sensitivity of the pH-stat (in vitro) method in the prediction of true digestibility (TD), as measured by amount of base added, of plant proteins, either alone or in the presence of specific additives (nitrogen-free mixture, vitamin mixture and/or mineral mixture) as part of a complete diet of plant proteins that had been subjected to various levels and forms of heating. The in vitro TD values were then compared with TD values obtained in. vivo (Wistar rats). In experiment 1, the effect of temperature (dry-heating at 80, 100, 120, 150, 180 and 240

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14

Olsson, Ingemar. "Effect of protein supply on the performance of intensively reared bulls : evaluation of the DCP and the Nordic AAT-PBV protein evaluation systems /." Uppsala : Sveriges lantbruksuniversitet, Institutionen för husdjurens utfodring och vård, 1987. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=000688272&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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15

Delgado-Elorduy, Agustin 1965. "Splanchnic and mammary nitrogen metabolism by dairy cows fed differently-processed sorghum and corn grain." Diss., The University of Arizona, 1997. http://hdl.handle.net/10150/282499.

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Objectives were to determine net uptake or release of α-amino N (AAN), ammonia N (NH₃N) and urea N (UN) across portal-drained viscera (PDV), liver, splanchnic (PDV + liver) and mammary tissues of lactating cows fed differently processed sorghum or corn. Cows were fitted with catheters in blood vessels (artery and portal, hepatic and mammary vein), and received in a switchback design TMR containing 40% dry-rolled (DR; 643 g/L or 50 lb/bu) or steam-flaked (SF; 360 g/L or 28 lb/bu) sorghum (Exp. 1), and steam-rolled (SR; 489 g/L or 38 lb/bu) or SF corn (Exp. 2). Neither daily intake of DM and nut

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16

Cao, Jiayin. "Copper nutrition in first-litter gilts." Thesis, McGill University, 1994. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=68185.

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The effect of a low-Cu diet supplied to gilts during pregnancy and early lactation on dams and their offspring was obtained in seven pairs of first littermate gilts. They were housed in stainless steel metabolism cages in a controlled environment and fed semi-purified diets containing either 2.13 or 12.25 ppm Cu from 30 days of gestation through two weeks of lactation. Feed intake was restricted to 2 kg/day during pregnancy and 4 kg/day in the first two weeks of lactation. Reproductive performance of gilts was measured. Balance studies were conducted at 30, 60 and 100 days of gestation. Minera

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17

Sinclair, Anna Grace. "Genotype-nutrition interactions in breeding sows." Thesis, University of Aberdeen, 1997. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU090362.

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The interaction effects of genotype and nutrition on the performance of sows during lactation is still poorly understood; this series of experiments explored the factors contributing to breed differences in lactational performance and the development of appropriate feeding strategies. Two extreme types of sow were used in these experiments; lean pure-bred White sows (W: Large White and Landrace) and a prolific but fatter Meishan synthetic damline (M: 50% Meishan genes). M sows had higher numbers of piglets, a different feed intake curve and produced more milk with a higher fat content compared

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18

Magee, Kelly Jean. "Nitrogen Metabolism of Beef Steers Fed Either Gamagrass or Orchardgrass Hay With or Without A Supplement." NCSU, 2004. http://www.lib.ncsu.edu/theses/available/etd-04092004-175002/.

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This experiment evaluated rumen protein:energy synchronization in steers fed either gamagrass (Tripsacum dactyloides) or orchardgrass (Dactylis glomerata) hays with or without a soybean hull/corn supplement. A N balance trial was conducted to compare the effects of the supplement and hay on N intake, N digestion, and N metabolism. The supplement consisted of 50:50 corn: soybean hulls mix with 50 g molasses per kg of corn: soybean hulls mixture. The supplement contained 11.3% CP, 34.2% NDF, 22.9% ADF, and 0.87 kg was fed at 0830 and 1600 followed by hay offered in two equal portions. Steers had

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19

Clark, Jessica. "The Effect of Alternative Fertilization and Application Time on Voluntary Intake of Forages." Thesis, University of Arkansas, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=1605979.

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<p> Dairy slurry and poultry litter have increased in popularity as fertilizers in the agriculture industry. However, residual effects of these manures on voluntary intake of forages from subsequent harvests are not well known. The objectives of this two part study were to determine if moisture level of alfalfa silage and the use of dairy slurry as a fertilizer have an effect on intake and digestibility by sheep, and if forage species and the use of poultry litter as a fertilizer have an effect on intake by horses. Eighteen ewes (47.6 ± 5.34 kg) were used in experiment 1 and were alloca

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20

Van, Niekerk Natasha. "The interaction between dietary crude protein and amino acid levels in weaner pigs in an antibiotic-free environment with or without Bacillus amyloliquefaciens supplementation." Diss., University of Pretoria, 2020. http://hdl.handle.net/2263/75060.

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The interaction between dietary crude protein and amino acid levels in weaner pigs in an antibiotic-free environment with or without Bacillus amyloliquefaciens supplementation Natasha van Niekerk High crude protein (CP) diets cause a myriad of digestive problems in weaner pigs due to incomplete digestion. This is caused by an immature digestive system at weaning. These problems present themselves as increased diarrhoea and reduced growth performance in weaner pigs. Many of the negative consequences could in the past be rectified through the use of antibiotic growth promoters (AGPs). Howe

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21

Cronjé, Chantelle. "A comparison of in vitro quality parameters and digestibility between locally produced and imported soya oilcake meal destined for the South African pig industry." Diss., University of Pretoria, 2019. http://hdl.handle.net/2263/73128.

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The processing of soya oilcake is important to ensure protein availability and high degradability of the soya proteins. Pig producers in South Africa are concerned about the quality of locally processed soya oilcakes and the effect that it may have on the intestinal health and lifetime production of the pig. The primary aim of this study was to compare the quality of locally processed soya oilcake to soya oilcake imported from Argentina. The trail consisted of two parts. In part one of the trail, eighty-eight samples of soya oilcakes from three different processing plants in South Africa and o

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22

Lamar, Kathryn C. "Effects Of Dietary Potassium Carbonate And Fat Concentration in High Distiller Grain Diets Fed To Dairy Cows." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1374228532.

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23

Sélos, Aline Nantes. "Planos nutricionais com redução dos níveis de fósforo disponível e cálcio em rações contendo fitase para leitões desmamados." Universidade Federal de Viçosa, 2014. http://locus.ufv.br/handle/123456789/5826.

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Made available in DSpace on 2015-03-26T13:55:26Z (GMT). No. of bitstreams: 1 texto completo.pdf: 312365 bytes, checksum: e0f44062b37f48c3517825cbdd3705f4 (MD5) Previous issue date: 2014-08-21<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>Aiming to evaluate feeding programs (FP) with different levels of calcium (Ca) and available phosphorus (aP) on rations containing phytase for piglets, one hundred sixty- eight barrows and females weighing 8.11 ± 0.61 kg were weaned at 28 days and blocked according to initial body weight. Inside each block, piglets were randomly distrib

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24

SUNDARAM, TAMIL SELVI. "ESTABLISHING IN VITRO INTESTINAL EPITHELIAL CELL MODELS IN TRANSLATIONAL ANIMAL NUTRITION." Doctoral thesis, Università degli Studi di Milano, 2022. https://hdl.handle.net/2434/944348.

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Immunomodulatory nutrients as the omega-3 polyunsaturated fatty acids (n-3 PUFA) and citrus pectins (CPn) are reported to beneficially affect the host intestinal immunity. However so far, the biological pathways modulated by these nutrients in intestinal inflammation at the level of intestinal epithelial layer (IEL) remains elusive. To bridge this knowledge gap, the aim of our present study was set in the direction to delineate the effects of n-3 PUFA in porcine IPEC-J2 cell line under (LPS) stress conditions underpinning pig nutrition, combining the state-of-the-art cell-based assays an

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25

Nili, Nafisseh. "Limitations to amino acid biosynthesis de novo in ruminal strains of Prevotella and Butyrivibrio." Title page, contents and abstract only, 1996. http://web4.library.adelaide.edu.au/theses/09PH/09phn712.pdf.

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Bibliography: leaves 226-261. Investigates nitrogen utilization in some species of rumen bacteria with the object of understanding the role of ammonia versus exogenous amino acids in relation to microbial growth.

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26

Koenig, Karen Marie. "True absorption of selenium in dairy cows : stable isotope tracer methodology and effect of dietary copper." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/27972.

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Gas chromatography mass spectrometry (GCMS) and inductively coupled plasma mass spectrometry (ICPMS) were evaluated for the measurement of selenium (Se) and Se stable isotope ratios. GCMS and ICPMS were found to be accurate for quantitative Se analysis in biological matrices by isotope dilution using Se-78 and Se-76 as internal standards, respectively. A higher precision was obtained for ICPMS than GCMS enabling a smaller quantity of the tracer to be administered to subjects in labelling experiments. The isotopes of choice for metabolic tracers were Se-76 when sample analysis was by GCMS and S

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27

Maxson, Paul Frank. "Dietary calcium and phosphorus for lactating swine at high and average production levels /." The Ohio State University, 1985. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487260531957895.

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28

Vinet, Claire. "Studies on the vitamin D and calcium requirements of dairy cows /." The Ohio State University, 1987. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487330761216982.

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29

Hess, Bret William. "Increasing postruminal amino acid supply to cattle consuming forages /." free to MU campus, to others for purchase, 1996. http://wwwlib.umi.com/cr/mo/fullcit?p9812955.

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30

Veronesi, Carla. "Efeito de dois alimentos comerciais secos no consumo energético, peso vivo e peso metabólico, escore corporal, escore e peso fecal de cães adultos em manutenção e atividade." Universidade de São Paulo, 2003. http://www.teses.usp.br/teses/disponiveis/10/10135/tde-31052004-092206/.

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Com o objetivo de avaliar a ingestão calórica e características fecais de cães adultos em manutenção e em atividade, dois grupos de animais foram utilizados, sendo o primeiro grupo composto por 4 cães ativos da raça Border Collie e o segundo composto por 14 cães de raças variadas. Foram fornecidos dois tipos de alimentos comerciais secos, um deles considerado superpremium (S) e o outro considerado popular (P). O experimento teve duração de 40 dias, e os resultados mostraram que o alimento S produz menor peso fecal e consistência mais firme, enquanto que o alimento P obteve peso fecal maior e c

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31

Marmolejo, Gonzalez Alonso. "UTILIZATION OF AMMONIATED WHEAT STRAW BY LACTATING DAIRY CATTLE." Thesis, The University of Arizona, 1985. http://hdl.handle.net/10150/275406.

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32

Swart, Etheresia, and Maryna Lehmann-Maritz. "Evaluation of near infrared reflectance (NIR) spectroscopy to determine the nutrient composition of raw materials and compound ostrich feeds." Thesis, Nelson Mandela University, 2017. http://hdl.handle.net/10948/13779.

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The chemical analysis of feed samples can be time consuming and expensive. The use of near infrared reflectance (NIR) spectroscopy was evaluated in a range of studies as a rapid technique to predict the chemical constituents in feedstuffs and compound ostrich feeds. The prediction of accurate results by NIR spectroscopy relies heavily upon obtaining a calibration set which represents the variation in the main population, accurate laboratory analyses and the application of the best mathematical procedures. This research project was designed to meet five objectives: The first objective was to de

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33

Morgado, Eliane da Silva [UNESP]. "Óleo em dietas para ovinos alimentados com amido ou fibras solúveis em detergente neutro." Universidade Estadual Paulista (UNESP), 2011. http://hdl.handle.net/11449/104050.

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Made available in DSpace on 2014-06-11T19:32:57Z (GMT). No. of bitstreams: 0 Previous issue date: 2011-11-17Bitstream added on 2014-06-13T19:03:44Z : No. of bitstreams: 1 morgado_es_dr_jabo.pdf: 891629 bytes, checksum: 1618ac9e1c2c620b12eff7ed2c92e835 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)<br>Objetivou-se avaliar a adição de lipídios em dietas contendo alto teor de amido ou fibra solúvel em detergente neutro (FSDN), sobre a digestibilidade e degradação in situ dos nutrientes, a taxa de dilu

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34

Akechi, Bruno Vinícius [UNESP]. "Goma de soja na alimentação de frangos de corte: digestibilidade e desempenho." Universidade Estadual Paulista (UNESP), 2015. http://hdl.handle.net/11449/136007.

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Made available in DSpace on 2016-03-07T19:20:50Z (GMT). No. of bitstreams: 0 Previous issue date: 2015-02-27. Added 1 bitstream(s) on 2016-03-07T19:24:36Z : No. of bitstreams: 1 000859401.pdf: 721051 bytes, checksum: 5e41dcce388474910427e144229b987f (MD5)<br>Um experimento foi conduzido no Setor de Avicultura da Universidade Estadual Paulista Júlio de Mesquita Filho (Unesp), Faculdade de Engenharia do Campus de Ilha Solteira, para avaliar a inclusão de Goma de Soja em dietas para frangos de corte, com o objetivo de avaliar seu valor energético e o melhor nível de inclusão. Inicialmente, foi

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Akechi, Bruno Vinícius. "Goma de soja na alimentação de frangos de corte: digestibilidade e desempenho /." Ilha Solteira, 2015. http://hdl.handle.net/11449/136007.

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Orientador: Otto Mack Junqueira<br>Co-orientador: Antonio Carlos de Laurentiz<br>Banca: Rosemeire da Silva Flardi<br>Banca: Edivaldo Antonio Garcia<br>Resumo: Um experimento foi conduzido no Setor de Avicultura da Universidade Estadual Paulista "Júlio de Mesquita Filho" (Unesp), Faculdade de Engenharia do Campus de Ilha Solteira, para avaliar a inclusão de Goma de Soja em dietas para frangos de corte, com o objetivo de avaliar seu valor energético e o melhor nível de inclusão. Inicialmente, foi realizado um ensaio de metabolismo na fase de 14 a 18 dias. Foram utilizadas 105 aves, distribuídas

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36

McBeth, Lucien Reiter. "EFFECTS OF TRANSIENT VARIATION OF SILAGE DRY MATTER CONCENTRATION ON LACTATING DAIRY COWS." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1345489864.

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37

Nelson, Korie A. S. "Enhancing the Proportions of Healthy Fatty Acids in Milk from Dairy Cows." DigitalCommons@USU, 2008. https://digitalcommons.usu.edu/etd/178.

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Enhancing the Proportions of Healthy Fatty Acids in Milk from Dairy Cows by Korie A.S. Nelson, Master of Science Utah State University, 2008 Major Professor: Randy Wiedmeier Department: Animal, Dairy, and Veterinary Sciences Twenty cows were used in a repeated measures, block design experiment for 9 wk to determine the effects of feeding partially ruminally inert calcium salts (Ca-salts) of fish oil (FO) and a general fatty acid (FA) supplement (EnerGII) at varying levels. The effects on cow health, milk components, composition of milk FA, and sensory evaluation of milk were evaluated. Cows in

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38

Venable, Erin B. "Prediction of ammonia production coupled to ammonia consumption in ruminal fermentation /." free to MU campus, to others for purchase, 2004. http://wwwlib.umi.com/cr/mo/fullcit?p1426110.

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39

Khazaal, Kamal Abdul-Rahim. "Improving the nutritive value of barley straw for ruminants : effects of treatment with ligninase enzyme or white-rot fungi on composition and digestibility in vitro." Thesis, University of Reading, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.252722.

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40

Zapien, Antonio. "Influence of dietary energy restriction on postpartum LH and GH secretory patterns in beef cows." Diss., The University of Arizona, 1992. http://hdl.handle.net/10150/186008.

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Postpartum LH and GH secretory patterns were evaluated with mature Brangus cows group fed either 50%M (n = 8) or 100%M (n = 7) NRC maintenance energy requirements starting two months prepartum and continuing for three months postpartum. Feed level was adjusted at 14 day intervals. Weights of cows and (or) calves were taken every 14 days before and after calving. Sequential blood samples were taken every 15 min for 8 h at biweekly intervals starting 14 days postpartum and continuing until 100 days. Serum LH and GH were determined by a validated double antibody RIA. A peak-detection algorithm wa

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41

McFadin, Elizabeth L. "Determining the role of leptin in carcass composition in livestock /." free to MU campus, to others for purchase, 2002. http://wwwlib.umi.com/cr/mo/fullcit?p3074427.

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42

Eck, Thomas Peter. "Effect of sorghum grain flake density on site and extent of digestion in feedlot steers." Diss., The University of Arizona, 1991. http://hdl.handle.net/10150/185684.

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Experiments were conducted to determine the effects of sorghum grain flake density on site and extent of nutrient digestion in beef steers. Sorghum grain was steam-flaked to densities of .41, .36, .31 and .26 kg/L. Diet digestibility was determined during the growing and finishing periods of a feedlot performance trial with dietary grain levels of 50 and 80%, respectively. Starch digestion was increased from 92 to 98%, and from 98 to 99%, on growing and finishing diets, respectively, in response to decreased flake density. Digestion of dry matter and energy was increased in growing diets but d

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43

Silva, e. Oliveira Jackson. "Effect of sorghum grain processing on the performance and metabolism of lactating dairy cows." Diss., The University of Arizona, 1991. http://hdl.handle.net/10150/185713.

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Experiments were conducted to compare the effect of processing grain sorghum either by dry rolling or steam flaking on the performance and metabolism of high producing dairy cow. In an 80 d trial, following a 14 d pretrial for covariance adjustments, 36 Holstein cows divided in 4 groups were fed a total mixed ration (37 forage:63 concentrate) prepared with one of the following four grains: Steam-rolled corn (CORN), dry-rolled sorghum (DRS), steam-flaked sorghum (SFS) and an equal mixture of DRS and SFS (MIX). Grain comprised 42.2% of diet DM. In the last 14 d of the experimental period a diges

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Al-Dehneh, Adnan. "The contribution of recycled urea to the synthesis of microbial protein in the rumen of dairy cows fed high grain and forage diets using nitrogen-15-labelled urea." Diss., The University of Arizona, 1992. http://hdl.handle.net/10150/185802.

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Lactating Holstein cows were used to evaluate the contribution of recycled urea nitrogen to bacterial protein exiting the rumen, and appearing in milk and feces during continuous jugular infusion of ¹⁵N-labelled urea in long-term infusion (72 h) and short term infusion (3, 12, 20, and 24 h) studies. Two cows in the first trial, and four cows in the second trial fitted with T-type duodenal cannulae were fed either a high grain or high forage diet. Urea labeled with ¹⁵N was infused continuously into the jugular vein for 72 h in trial 1 and for 3, 12, 20, and 24 h in trial 2. Cr₂O₃ was used as a

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Kurcz, Elaine Victoria. "Lipoprotein profiles of the horse in response to increased dietary fat and exercise." Diss., The University of Arizona, 1992. http://hdl.handle.net/10150/185995.

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Three experiments were conducted to evaluate the effects of a fat-supplemented diet on the horse. Experiment one examined the effect of a diet which contained 20% digestible energy as corn oil fed to four horses in comparison with a control group. Plasma lipoproteins, muscle lipoprotein lipase, total serum lipids, and ultrasound-estimated body fat were monitored for 10 weeks. The plasma lipoproteins fractionated into VLDL, LDL, HDL and albumin, and each was assayed for protein, cholesterol and triglyceride content. Results indicated that the fat-fed horses increased in LDL and HDL protein, VLD

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Park, Eric Douglas. "Evaluation of selected antibiotics for potential use in penaeid shrimp aquaculture." Diss., The University of Arizona, 1993. http://hdl.handle.net/10150/186152.

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Select antibacterials were evaluated for their potential as shrimp aquaculture drugs. Difloxacin and sarafloxacin were evaluated for palatability, toxocity, and residues with respect to shrimp, after 15 days of feeding medicated diets. The pharmacokinetics and bioavailabilities of sulphadimethoxine (SDM) and ormetoprim (OMP) were also established for shrimp. Reductions (p < 0.05) in difloxacin feed palatability were noted as a function of dose. Total survival and mean survival time (p < 0.05) decreased as a function of dose. Signs of animal stress, i.e., lethargic behavior, was also noted in t

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Lopes, Vânia Alexandra da Silva Cardoso. "High-Throughput production and characterization of Carbohydrate-Active enZYmes for animal nutrition." Doctoral thesis, Universidade de Lisboa, Faculdade de Medicina Veterinária, 2020. http://hdl.handle.net/10400.5/19760.

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Tese de Doutoramento em Ciências Veterinárias na especialidade Produção Animal<br>The biodegradation of plant cell wall (PCW) carbohydrates is performed by microbial enzymes that are generally referred to as CAZymes. In animal nutrition, it is now well established that the monogastric animals produce a limited repertoire of CAZymes and as such cannot use efficiently some dietary ingredients that sometimes display antinutritional properties. The dietary supplementation with exogenous CAZymes improves the nutritive value of diets and increases animal’s performance. In particular, this study demo

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Lago, C. "STUDY OF MAIZE GENOTYPES RICH IN ANTHOCYANINS FOR HUMAN AND ANIMAL NUTRITION." Doctoral thesis, Università degli Studi di Milano, 2014. http://hdl.handle.net/2434/230010.

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Anthocyanins are very important nutraceuticals not only because they protect plants against biotic and abiotic stresses (Winkel-Shirley, 2002) and they seem to be involved in plant yield (Frascaroli and Landi, 1998), but also because they exert antioxidant abilities able to protect human and animal health (Virgili and Marino, 2008). Maize is able to accumulate anthocyanin in different tissues (Escribano-Bailon et al., 2004; de Pascual-Teresa et al., 2002), so that it can be considered a functional food. On this basis the general aim of this PhD project was to develop maize genotypes with the u

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Deguire, Jason Robert. "Dietary supplementation of conjugated linoleic acid: muscoskeletal investigations in men and selected animal models." Thesis, McGill University, 2013. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=116846.

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The overall objective of this thesis was to investigate differences between the FFA and TG forms of CLA regarding incorporation in liver and biological musculoskeletal responses; if assessment of PTH is affected by gender, fasting and the type of PTH assay used; if CLA status, as measured by red blood cell CLA content, in men is positively related to body composition and bone mass; if CLA supplementation in healthy men reduces PTH concentration; and if CLA can prevent decreases in bone and muscle mass typically observed in advanced aging. Methods: Study 1: Sprague-Dawley rats were randomized a

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Wareham, Christopher Neil. "Faba bean (Vicia faba L.) tannins in non-ruminant nutrition." Thesis, University of Nottingham, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.280457.

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