Digestible Amino Acids
Mostrando 13-24 de 65 artigos, teses e dissertações.
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13. Lysine levels in diets for broilers from 8 to 21 days of age
This study was conducted to evaluate the effects of digestible lysine levels in diets with and without supplementation of industrial amino acids on performance and fat deposition in the carcass of broilers in the starter phase. One thousand four hundred and forty chickens with initial weight of 168.1±5.0 g were distributed in a completely randomized experim
R. Bras. Zootec.. Publicado em: 2013-12
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14. Effect of different dietary concentrations of Amino Acids on the performance of two different Broiler Strains
Four Nutritional Programs (NP) used in the Brazilian poultry industry were tested in two broiler strains (Cobb 500 and Ross 308). NP varied in the concentrations of their main essential amino acids (AA) and were classified as Low, Regular, High and Mixed (high AA concentrations up to 21 days and regular concentrations after that). Minimum digestible Met+Cys/
Rev. Bras. Cienc. Avic.. Publicado em: 2013-12
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15. Ideal digestible isoleucine: digestible lysine ratio in diets for laying hens aged 24-40 weeks
Two hundred fifty-two Hy-Line W36 laying hens were allotted in a randomized block design with 6 treatments, 7 replicates and 6 hens per experimental unit in order to determine the ideal digestible isoleucine: digestible lysine (Ile:Lys) ratio for laying hens aged 24-40 weeks. Experimental diets contained 5.92, 6.33, 6.73, 7.14, 7.54 and 7.95 g/kg of digestib
R. Bras. Zootec.. Publicado em: 2013-11
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16. Immune response of broilers fed conventional and alternative diets containing multi-enzyme complex
The present study aimed at evaluating the effect of adding a commercial multi-enzyme complex to conventional and alternative broiler diets on the immune response and occurrence of lesions in the intestinal mucosa. In total, 900 male broiler chicks were distributed according to a completely randomized design, with six treatments of six replicates each. Two co
Rev. Bras. Cienc. Avic.. Publicado em: 2013-09
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17. Potencial nutricional da amêndoa e da polpa da guarirova, Syagrus oleracea (Mart.) Becc.
The aim of this study was to evaluate the nutritional potential of the fruit, antinutritional factors and in vitro digestibility of proteins of the pulp and kernel guarirova (Syagrus oleracea (Mart.) Becc.). Regarding lipids, we performed physicochemical characterization of oils, fatty acid composition and index of nutritional quality. For nutritional assess
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 11/05/2012
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18. Composição química e energética e aminoácidos digestíveis de alimentos para frangos de corte / Chemical and energetic composition and digestible amino acids values of feedstuffs for broilers
Dois experimentos foram realizados no Setor de Avicultura do Departamento de Zootecnia da Universidade Federal de Viçosa. No primeiro, objetivou-se determinar a composição química e os valores de energia metabolizável aparente corrigida pelo balanço de nitrogênio (EMAn) de alguns alimentos para frangos de corte. Foi utilizado o método tradicional de
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 15/02/2012
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19. Níveis de lisina digestível e validação da proteína ideal em rações para frangos de corte / Níveis de lisina digestível e validação da proteína ideal em rações para frangos de corte / Lysine levels and validation of ideal protein in diets for broilers / Lysine levels and validation of ideal protein in diets for broilers
Foram realizados quatro experimentos com frangos de corte, sendo dois (Experimentos 1 e 2) para avaliar o efeito de níveis de lisina digestível em rações suplementadas ou não com aminoácidos industriais e outros dois (experimentos 3 e 4) para validar as relações dos aminoácidos digestíveis: Treonina, Valina, Isoleucina, Arginina e Triptofano; com a
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 14/02/2012
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20. Effects of lysine levels of diets formulated based on total or digestible amino acids on broiler carcass composition
The study was conducted to evaluate carcass yield and chemical composition of thigh and breast muscles of broilers fed three different lysine requirement levels: high lysine (+10% NRC), standard (NRC) and low lysine (-10% NRC) and two ways of expressing amino acids in feedstuffs (total or digestible amino acids). The results of this study showed that diet fo
Rev. Bras. Cienc. Avic.. Publicado em: 2012-12
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21. Digestible tryptophan:lysine ratio for laying hens
The objective of this study was to evaluate the requirement of digestible tryptophan for white laying hens in the production stage fed diets of different digestible tryptophan:digestible lysine ratios, as well as animal performance and histological alterations in their reproductive and digestive systems. A total of 280 white laying hens at 29 weeks of age we
R. Bras. Zootec.. Publicado em: 2012-10
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22. Determination of true digestible amino acids of feedstuffs utilizing cecectomized roosters
The objective of this study was to estimate the true digestibility coefficients of amino acids and digestible amino acid values of some poultry feedstuffs. The feedstuffs were: babassu meal, sunflower meal, corn gluten meal, babassu starchy meal, meat and bone meal, common beans, pearl millet and residues of cookies, pasta and bread. The precise feeding meth
R. Bras. Zootec.. Publicado em: 2012-09
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23. Determination of digestible isoleucine: lysine ratio in diets for laying hens aged 42-58 weeks
Two hundred and fifty-two Hy-Line W36 laying hens were allotted in a completely randomized design with 6 treatments, 7 replicates and 6 hens per experimental unit in order to determine the ideal ratio of isoleucine (Ile) in relation to lysine (Lys) to laying hens aged 42-58 weeks. Experimental diets contained digestible Ile at different levels, resulting in
Revista Brasileira de Zootecnia. Publicado em: 2012-05
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24. NÃveis de isoleucina digestÃvel para suÃnos machos castrados dos 15 aos 30 kg / Levels of digestible isoleucine for barrows from 15 to 30 kg.
Aiming to determine the digestible isoleucine requirement for barrows from 15 to 30 kg, two experiments were conducted, being one of digestibility and another of performance. Ten crossbreed barrows with average initial weight of 15.00 Â 0.27 kg were used to determine the ileal digestibility coefficient of amino acids from basal diet. The animals were housed
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 29/07/2011