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Performance and carcass quality of broilers supplemented with antibiotics or probiotics Rev. Bras. Ciênc. Avic.
Contreras-Castillo,CJ; Brossi,C; Previero,TC; Demattê,LC.
The objective of this study was to evaluate the effects of different additives on broiler performance and meat quality. A total of 1620 one-day-old male Cobb broilers were distributed by a completely randomized experimental design into 5 treatments: positive control - zinc bacitracin (PC); negative control - without additives (NC); probiotic 1 - 10.000 g/ton (PR-I); probiotic 2 - 500 g/ton (PR-II); and probiotic 3 - 50 g/ton (PR-III). The PC treatment promoted better weight gain (WG) than PR-II (1-28 days) and PR-III (1-14; 1-28 days), better feed conversion (1-40 days period), and the highest WG among all treatments (p<0.05). The performance of broilers fed probiotics was not different than those in the negative control group in any rearing phase, but...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Additives; Meat color; Meat water holding capacity; Polyprobiotics; Zinc bacitracin.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2008000400006
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