0. A. EL KHIDIR, NADYA, A. M. BADR and F. I. MURGOS
Department of Livestock Fattening and Meat Production Research, Animal
Production Research Administration, Kuku, P. 0. Box 89, Industrial Area,
Khartoum North, Sudan.
SUMMARY
Three groups of Sudan Desert lambs (10 lambs each) of 20.2 ± 0.7 kg liveweight were used in a 12-week feeding trial to compare the nutritive values of Molasses Urea Block (MUB), Molasses Urea Block with oil seed cakes (MUBcake) and a concentrate mixture when offered to supplement Sudan grass hay offered ad. libitum. The daily liveweight gain was found to be 61, 121 and 117 g for the groups fed on the three diets respectively. The intake of hay dry matter pre kg DM of supplement was found to be 3.6, 1.7 and 1.2 for the MUB, MUBcake and concentrates fed groups respectively. The slaughter and carcass analysis data revealed no significant differences between the MUBcake and concentrate fed groups. However, differences observed for the other groups were mainly due to variation in slaughter weight. It has been concluded that inclusion of 11.0% oil seed cakes in the MUB will substantially improve its feeding value to lambs.
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