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Effect of Sorghum Based Nutritional Programs on Performance, Carcass Yield and Composition of Breast in Broilers

Silveira, M. M; Martins, J. M. S; Litz, F; Carvalho, C. M. C; Moraes, C. A; Silva, M. C. A; Fernandes, E. A.
R. bras. Ci. avíc.; 19(1,n.esp): 43-50, jan.-mar. 2017. tab, graf
Artigo em Inglês | VETINDEX | ID: vti-17002


An experiment was conducted to compare three nutritional programs, which were developed with tannin-free grain sorghum based diets, evaluating performance, carcass yield and bromatological composition of the pectoral muscle of broilers. A total 1360 chicks mixed (50:50), from one to 42 days old Hubbard Flex Broilers, were housed in a completely randomized design consisting of treatments and 10 replicates each, distributed as follows: three programs with whole sorghum grain based diets (nutritional program with daily adjustment, nutritional program with every three days adjustment and nutritional program with four stages and a program with ground and whole sorghum grain based feed (four stages). The cumulative performance was evaluated at, 21 and 42 days, determining feed intake, weight gain, feed conversion and viability. At 42 days, the yield of eviscerated carcass, breast (full and boneless), thighs/drumsticks and wings and breast composition were evaluated. Nutritional adjustments showed better feed conversion, did not affect the carcass, commercial cuts yield and had a good breast meat quality. It can be concluded that daily feed programs could be performed in poultry industry with the mixture of whole sorghum grains and concentrates directly on farms contributing to better logistics and feed transportation cost.(AU)
Biblioteca responsável: BR68.1
Localização: BR68.1