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Articles by F.O. Ogunleke
Total Records ( 1 ) for F.O. Ogunleke
  M.A. Belewu , A.R. Asafa and F.O. Ogunleke
  Effects of biological and physical treatments of feather meal was evaluated in a completely randomized design model. Different samples were prepared using fungus specie, Rhizopus oligosporus (T1), batch hydrolyzer (T2) and the untreated control (T3). Feather meal was fermented with Rhizopus oligosporus in a solid state fermentation for 7 days while the steam pressure used for the batch hydrolyzer was 285 kPa. The changes in the proximate composition and fibre fractions were determined at the end of the experimental period. The results revealed increased (p<0.05) crude protein and ether extract contents compared to the means of the batch hydrolyzer (T2) and the untreated control treatment (T3). Protein enrichment was highest for the Rhizopus treated sample (T1) followed by the batch hydrolyzer (T2) and lowest for the untreated control sample (T3). Contrarily, the fibre fractions (ADF, NDF, Lignin) decreased in the fungus (Rhizopus oligosporus) treated sample compared to the batch hydrolyzer and the untreated samples which are similar (p>0.05). The ether extract ranked (p<0.05) T2 (7.50) > T1 (5.75) > T3 (3.25). The Acid Detergent Soluble Nitrogen (ADSN) was 0.82% (T1) 0.60% (T2) and 0.20% (T3). While the Pepsin Digestible Protein (PDP) was 0.65 (T1) compared to 0.81 (T2) and 0.18 (T3). The study demonstrated that solid state fermentation of feather meal with fungus (Rhizopus oligosporus) increased the protein and ether extract contents while the crude fibre fractions are decreased, all of which are limiting nutrients in livestock nutrition. Overall, fungus Rhizopus oligosporus appeared to be the best of the methods studied and it seems to be useful for current purpose.
 
 
 
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