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Pakistan Journal of Nutrition
Year: 2019  |  Volume: 18  |  Issue: 1  |  Page No.: 34 - 41

Hematological and Biochemical Indices of West African Dwarf Sheep Fed Diets Containing Yeast (Saccharomyces cerevisiae), Grass, Grass/Legume (50:50) and Legume

C.O. Osita, A.O. Ani, C. Ezema, C.E. Oyeagu, I.E. Uzochukwu and I.E. Ezemagu    

Abstract: Background and Objective: The European Union banned the use of antibiotics for non-therapeutic purposes because of the possibility of the transfer of antibiotic resistance to pathogenic bacteria in humans. It is therefore imperative to find safe alternatives to the use of antibiotics. The aim of this study was to determine the effects of the dietary inclusion of yeast (Saccharomyces cerevisiae) on hematological and biochemical indices of West African dwarf sheep. Materials and Methods: A total of twenty four (24) lambs (12 males and 12 females) with an average weight of 10.30 kg were randomly allotted to six treatment diets in a 3×2 factorial arrangement involving grass (Panicum maximum) hay, grass-legume mixture (50:50) hay and legume (Centrosema pubescens) hay, as well as with two yeast levels (0 and 1.5 g per kg of basal diet). The six diets were abbreviated as G0, G1.5, G/L0, G/L1.5, L0 and L1.5 (G: grass, L: Legume, G/L: Grass/legume (50:50) mixture, 0: 0 g of S. cerevisiae per kg of diet and 1.5:1.5 g of S. cerevisiae per kg of diet). Results: The results showed that the packed cell volume, hemoglobin concentration and white blood cell count were significantly (p<0.05) higher for sheep fed a legume diet supplemented with S. cerevisiae compared to that for sheep fed other diets. Sheep fed the grass and legume mixture and the legume diets supplemented with S. cerevisiae had significantly (p<0.05) higher albumin values than those of sheep fed other diets. Sheep fed the legume diet without S. cerevisiae supplementation had the highest calcium values of all sheep diet groups tested. Conclusion: Based on the results obtained, the addition of 1.5g of S. cerevisiae per kg of legume diet is recommended.

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