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The Effect of Protein Supplement of Poor-Hay Fed D`man Lamb on their Growth, Carcass Quality and Meat Composition

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Author(s): M. Mahouachi | N. Atti

Journal: Journal of Animal and Veterinary Advances
ISSN 1680-5593

Volume: 4;
Issue: 2;
Start page: 214;
Date: 2005;
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ABSTRACT
Twenty seven D`man lambs 6 months old (17.9; s.d = 3.1 kg) were used to study the effects of the concentrate crude protein (CP) content on growth performances, carcass and meat composition. Animals were randomly assigned to 3 groups of 9 lambs each and received individually oat hay ad-libitum and concentrates containing 130 (L), 180 (M) or 230 (H) g CP/kg DM. Hay intake averaged 49.7 g DM/kg W0.75/d and wasn`t affected by dietary CP content. Dry matter (DM), organic matter (OM), crude fiber (CF) and CP digestibilities were similar for all diets. Average daily gain (ADG) was higher (P

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