Abstract
Probiotics, a live microbial feed supplement affects the host animal by improving its intestinal microbial balance. Thus, this study was conducted to determine the effect of probiotic (Saccharomyces cerevisiae) supplemented diets on the performance of broilers chickens during the wet season. Two hundred and fifty five broilers chickens were randomly allotted to five treatments in a complete randomize design (CRD) with three replicate per treatment, each replicate having 17 birds. Saccharomyces cerevisiae was included at 0%, 0.25%, 0.5%, 0.75% and 1% respectively. Feed intake was measured weekly and the birds were weighed once weekly to determine the weight improvement. Data obtained from the study were subjected to analysis of variance. All parameters (final body weight, body weight gain, average daily gain, total feed intake, average feed intake and feed conversion ratio) measured showed significance (P<0.05) differencewhen compared with the birds on control diets. In conclusion, inclusion of baker's yeast in broiler diet improved growth performance of the chickens.
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