Desempenho e digestibilidade de nutrientes para frangos alimentados com rações contendo promotor de crescimento (Olaquindox) e probiótico (Bacillus subtillis)
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Data
2005-09
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Resumo
This experiment was
conducted to evaluate the replacement of the olaquindox as growth promoter for a
probiotic, based on Bacillus subtillis, in broiler rations from 1 to 43 days of age. The
evaluation was in terms of performance, nutrient digestibility and metabolically energy
values of rations. A total of 930 AG-Ross 508 chicks were distributed in 15 boxes, at the
density of 11 birds/m2. The broilers were allotted in a completely randomized design with
three treatments and five replications, each with 62 birds. The treatments were defined as:
Treatment A (diet with olaquindox and without probiotic), Treatment B (diet without
olaquindox and without probiotic), Treatment C (diet without olaquindox and with
probiotic). No effect was observed (p>0.05) in nutrient digestibility and in metabolizable
energy for rations containing these additives. The performance results of broilers treated
with olaquindox did not differ (p>0.05) from those treated with probiotic. The probiotic
can replace olaquindox in broiler rations without effect on broiler performance or
digestibility.
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Palavras-chave
Bacillus subtillis, Desempenho, Frangos de corte, Olaquindox, Broiler, Performance
Citação
BRITO, Alexandre Barbosa de; LEANDRO, Nadja Susana Mogyca; STRINGHINI, José Henrique; BASTOS, Clovis Augusto Azeredo; CUNHA,; Weliton Pereira; CAFÉ, Marcos Barcellos. Desempenho e digestibilidade de nutrientes para frangos alimentados com rações contendo promotor de crescimento (Olaquindox) e probiótico (Bacillus subtilis). Acta Scientiarum. Animal Sciences, Maringá, v. 27, n. 3, p. 327-332, jul./set. 2005.