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Nigerian Journal of Animal Production

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Nitrogen utilization by male WAD sheep fed graded levels of boiled CST and SMD based diets

RO Ettu, CFI Onwuka

Abstract


The study was carried out to investigate the nitrogen utilization by male West African Dwarf (WAD) sheep fed boiled Cocoa Seed Testa (CST) and Sorghum Malt Dust (SMD)-based
diets. Twenty-eight male animals were divided into seven groups with similar average initial live weight in a completely randomized design. Each group contained four animals. The trial consisted of seven dietary treatments which comprised CST at 10, 20 and 30% levels, SMD at 10, 20 and 30% levels and a control. The trial lasted for 90 days. Data generated were subjected to a one-way analysis of variance. Apparent nitrogen intake (19.41g/d) and retention (9.67g/d) were significantly (P<0.05) higher in the treatment with 20% SMD. Generally, dietary inclusion of CST and SMD improved the nitrogen intake by male WAD sheep with the best result from sheep fed 20% sorghum malt dust based diets.

Keywords : WAD sheep, nitrogen intake, diets, cocoa seed testa, sorghum malt dust




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