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Methionine + cystine levels and vitamin B6 supplementation on performance and enzyme expression of methionine metabolism of gilts from 75 to 100 kg R. Bras. Zootec.
Sangali,Cleiton Pagliari; Gasparino,Eliane; Vasconcellos,Ricardo Souza; Fachinello,Marcelise Regina; Monteiro,Alessandra Nardina Trícia Rigo; Esteves,Lucas Antonio Costa; Bonagurio,Lucas Pimentel; Pozza,Paulo Cesar.
ABSTRACT This study was carried out to evaluate the effect of different levels of standardized ileal digestible (SID) methionine + cystine (Met+Cys) and vitamin B6 supplementation on the performance, blood variables, and gene expression of enzymes involved in methionine metabolism in female pigs between 75 and 100 kg. Fifty six female pigs were used (Talent × Topigs 20), averaging 75.06±1.68 kg in initial weight, allotted in a completely randomized block design arranged in a 2 × 4 factorial scheme, composed of two vitamin B6 supplementation levels (1.58 and 3.58 mg/kg) and four levels of SID Met+Cys (0.370, 0.470, 0.570, and 0.670%), with seven replicates and one animal per experimental unit. No interactions between vitamin B6 supplementation and SID...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Blood variable; Cystathionine-γ-lyase; Homocysteine; Methionine synthase; Performance; Pigs.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982017000300223
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Predicting the metabolizable energy of first and second corn harvests for piglets Ciência e Agrotecnologia
Esteves,Lucas Antonio Costa; Oliveira,Newton Tavares Escocard de; Huepa,Laura Marcela Diaz; Ferreira,Silvia Letícia; Castilha,Leandro Dalcin; Pozza,Paulo Cesar.
ABSTRACT Corn is one of the primary ingredients in swine diets, but there is a variation in its chemical composition and metabolizable energy (ME) content. Therefore, faster methods are required that can determine more accurate ME values to improve piglet diets. This study determined and predicted the ME of corn from first and second harvests for piglets. Two experiments were conducted to determine the ME values for 18 corn batches, evaluating corn from first and second harvests. The corn batches were analysed to determine the concentration of dry matter (DM), starch (ST), neutral detergent fiber (NDF), acid detergent fiber (ADF), crude protein (CP), ether extract (EE), ash, calcium (Ca), phosphorus (P) and gross energy (GE). To determine the ME values, 40...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Metabolizability coefficients; Prediction equations; Swine.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542017000600683
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