Mohammad Roostaei-Ali Mehr; Marziyeh Ghamgosar; Mahmoud Haghighian Roodsari
Volume 16, Issue 1 , May 2014, , Pages 21-29
Abstract
Experiment was conducted to evaluate the effect of SAF-Mannan on productive performance and intestinal microflora by 180 day-old chicks. At six d, Chicks were divided to five groups (treatments) and each group was split into three replicates which included 12 birds. Amounts of 0.3 mg/Kg lincomycin premix, ...
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Experiment was conducted to evaluate the effect of SAF-Mannan on productive performance and intestinal microflora by 180 day-old chicks. At six d, Chicks were divided to five groups (treatments) and each group was split into three replicates which included 12 birds. Amounts of 0.3 mg/Kg lincomycin premix, 0 (control), 0.5 (A0.5) and 1 (S1) g/Kg SAF-Mannan for total period were added to diet of the first four treatments and also 0.25and 0.75 g/Kg SAF-Mannan for starter and grower, respectively were added to diets of the fifth treatment (S0.25-0.75). Poupulation of E. coli and lactobacillus of ileal samples were assayed at 18, 28 and 38 d of age. The results showed that birds fed on SAF-Manan diets had lower feed conversion ratio compared to control group (P<0.05). At 18 and 28 d, the E. coli count in the al content of SAF-Manan treatments was lower than controland lincomycin treatment (P<0.05). At 28 d, lactobacillus count in ileal content of birds fed on dietd containing 1 g SAF-Manan was higher compared to other treatments (P<0.05). It could be conclude that addition of 0.5 g/Kg SAF-Manan to broiler diet improve weight gain and feed conversion ratio probably, by modifying of intestinal microflora.