M. M. EL AMIN and B. A. ELZUBEIR
Institute of Animal Production, University of Khartoum, Khartoum North, P.O. Box 32, Sudan.
SUMMARY
The effect of feeding increasing levels of dietary lysine was studied in broiler chicks. Graded levels of L – lysine HCl: 0.0, 0.1, 0.2, 0.3 and 0.4% were used as treatments. Results showed that increasing the dietary level of L – lysine HCI increased weight gain, feed intake and improve efficiency of feed utilization. Carcass protein, fat, gain in protein and fat paralleled the trend in weight gain. Chicks given the lysine adequate diet had the best feed conver- sion ratio and the highest weight gain, feed intake, carcass protein and fat contents, whereas those given the basal diet had the poorest feed conversion ratio and the lowest weight gain, rem intake, carcass protein and fat contents.
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