Feedlot Performance and Carcass Characteristics of Local and Cross-bred (Local X Chios) F1sheep fed on By-products-based Diet

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Abstract
El, Hag, M.G. and Al-Shargi, K.M. 1995. Feedlot performance and carcass characteristics of local and cross-bred (local X Chios) sheep fed on by products-based diet. J. Appl. Anim. Res: 8: 197–202. Feedlot performance and carcass characteristics of growing local and cross-bred (local X Chios) sheep were studied using a by product based (BP) diet and a commercial concentrate diet (General ruminant, 14% CP), produced by Oman Flow Mill. The BP diet was based on 33% Date leaves + Rachis: 15% Date syrup by-product (DSBP) and 12% fish sardine (60% local by-products). BP diet was more fibrous (17.5% CF) than the concentrate diet (7.8% CF). In general feed intake as well as feed efficiency from both BP and concentrate diets were similar. Cross-bred sheep gained significantly (P0.05) between diets for daily gain. Dressing percent of empty body weight and longissimus dorsi area was unaffected by both diets or breeds. BP diet was cheaper (153 US$/ton) than concentrate (210 US$/ton) and cost of feeding and meat were both decreased by 27% and 25%, respectively when BP diet was fed.