EFFECT OF SUPPLEMENTING DIFFERENT LEVELS OF CORN STEEP LIQUOR ON THE POST-WEANING GROWTH PERFORMANCE OF PAK-KARAKUL LAMBS
2006
M. A. MIRZA AND T. MUSHTAQ
Corn steep liquor (CSL) is a liquid by-product of wet milling process of maize-starch industry. A trial was conducted to examine the effect of supplementing various levels of CSL in the diet of 30 Pak-Karakul lambs. These lambs were randomly divided into five experimental groups. The control group (A) was fed on basal diet having no CSL. The experimental groups B, C, D and E were fed on diets supplemented with CSL at the rate of 5, 10, 15 and 20% of the diet, respectively. The experimental diets were fed ad libitum to the experimental animals for 90 days. Results showed that supplementation of CSL at 5% of the diet improved both body weight gain and feed:gain. Corn steep liquor at higher supplemental rates i.e., 10 or 15% of the basal diet had non-significant effect on the growth or feed:gain of lambs. However, supplementation of CSL at 20% of the diet significantly depressed growth (P <0.01) and feed:gain (P<0.01). Growth rate in male lambs was significantly (P <0.01) higher than those of female lambs. Female lambs consumed more ration for each unit body weight gain than males. The results of the trial demonstrate that supplementation of CSL at 5% of the diet is useful for growth and feed:gain but higher levels of CSL considerably depress growth and increase feed:gain, leading to increased cost of production.
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