H.E. AHMED AND A.H. SULIEMAN.

Sheep Research Station, El Huda, El managil, Sudan.

SUMMARY

The effects oftwo rations containing either cottonseed cake or blood meal on the growth perfot mance and carcass characteristics were studied. The experiment involved 24 Shugor male lambs. about four months old. Fattened for 63 days. The two rations were isocalnric and isonitrogenous and contained, among other components‘ either cottonseed cake (A) or blood meal (B). The average livewei- ght gain and feed ctvnversiott efiiciettcy of the lambs were not significantly affected by the source of protein in the ofieretl diets. Howeter, the proportion ofthe gut fill was significantly (P < 0.05) increased by feeding the blood meal.All carcass par- ameters were not alfected by feeding or replacement ofcottonsecd cake in the ration.

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