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  • Growth response of broiler chickens fed graded levels of yeast treated raw soya bean and full fat soya bean
    Onwumelu, Ifeoma Jane ; Okonkwo, Josiah Chidiebere ; Akpodiete, Orienru Job
    The study was designed to determine the effect of replacing Full Fat Soya Bean (FFSB) in parts with Raw Soya Bean (RSB) treated with graded level of yeast in the diet of broiler birds. A total of ... fifteen diets were formulated where by RSB replaced FSSB at 0% (control), 25%, 50%, 75% and 100%, but each of these having three levels of treatment with yeast and without yeast as a control. Mean weight gain and final body weight of the broilers followed the same pattern of no differences in treatment means. Results obtained for the entire production period (0-56 days) showed that birds that were fed diet containing 75% FFSB, 25% RSB and 8 g/kg yeast compared favourably with those that were fed the control diet regarding final body weight, weight gain, average daily gain, feed intake, and the feed : gain ratio. Our study revealed that RSB at the levels fed with and without yeast inclusion had no effect on broiler chicken lethality. However, optimal performance was achieved when RSB was fed at 25% with 6 g/kg yeast inclusion at starter phase and at 25% without yeast or 75% with 12 g/kg yeast inclusion at finisher phase.
    Source: Acta agriculturae Slovenica. - ISSN 1581-9175 (Letn. 100, št. 1, 2012, str. 47-57)
    Type of material - article, component part
    Publish date - 2012
    Language - english
    COBISS.SI-ID - 3084424

source: Acta agriculturae Slovenica. - ISSN 1581-9175 (Letn. 100, št. 1, 2012, str. 47-57)
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