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dc.creatorNunes, Jaqueline Oliveira-
dc.creatorBertechini, Antonio Gilberto-
dc.creatorBrito, Jerônimo Ávito Gonçalves de-
dc.creatorMakiyama, Letícia-
dc.creatorMesquita, Fabrício Rivelli-
dc.creatorNishio, Carina Megumi-
dc.date.accessioned2017-04-25T19:42:27Z-
dc.date.available2017-04-25T19:42:27Z-
dc.date.issued2012-08-
dc.identifier.citationNUNES, J. O. et al. Evaluation of cysteamine associated with different energy patterns in diets for broiler chickens. Revista Brasileira de Zootecnia, Viçosa, MG, v. 41, n. 8, p.1956-1960, Aug. 2012.pt_BR
dc.identifier.urihttp://repositorio.ufla.br/jspui/handle/1/12764-
dc.description.abstractThis experiment was conducted with the objective of evaluating cysteamine (CS) supplementation in broiler chick diets with different energy density patterns. A total of 980 chicks of the Cobb 500 strain at one day of age were allocated into 28 plots. A completely randomized design in a 2 × 2 factorial arrangement, with 7 replications, was adopted. The factors under study were the supplementation (or absence) of cysteamine (60 mg/kg and 80 mg/kg of feed in the starter and growth/finishing phases, respectively) and two patterns of apparent metabolizable energy corrected by nitrogen balance (AMEn) in the diets. The energy levels (Mcal/kg of feed) practiced in pattern 1 were 3.00; 3.10; and 3.20, and for pattern 2, they were 3.05; 3.20; and 3.30 in the starter, growth and finishing phases, respectively. The diets were on the basis of corn and soybean meal with a feeding program with three diets. Feed intake, weight gain, feed conversion, feasibility and carcass yield were evaluated. There was no interaction between the CS supplementation and AME patterns in the diet upon the performance and/or carcass characteristic evaluated. Broilers fed the diet supplemented with CS presented improved feed conversion along the rearing cycle, but feed intake and weight gain were not affected by the supplementation of CS. The highest pattern of energy density (2) provided increased weigh gain in the starter phase of rearing and better feed conversion of the birds over the whole rearing period. The carcass yield was not influenced by the cysteamine supplementation and/or energy levels studied.pt_BR
dc.languageen_USpt_BR
dc.publisherSociedade Brasileira de Zootecniapt_BR
dc.rightsacesso abertopt_BR
dc.sourceRevista Brasileira de Zootecniapt_BR
dc.subjectPoultry meat productionpt_BR
dc.subjectPoultry - Nutritionpt_BR
dc.subjectProdução de carne de avespt_BR
dc.subjectGalinha - Nutriçãopt_BR
dc.titleEvaluation of cysteamine associated with different energy patterns in diets for broiler chickenspt_BR
dc.typeArtigopt_BR
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