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Abstract The present study was carried out at Research Farm of Animal Production Department, Faculty of Agriculture, South Valley University, Qena. Two experiments were done, the first one was on lambs, in this experiment twenty-four clinically and healthy commercial Saidi male lambs, averaged initial body weight of 25.33±0.70 kg and 6 months averaged age were used in this study. Lambs were divided randomly into four experimental groups, 6 lambs of each. The first group (control), was |