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Using Nigella sativa meal as a substitute source for vegetable protein in rations of native growing calves

    N. Y. Abou N. M. Abdullah A. K. Nasser

Iraqi Journal of Veterinary Sciences, 2011, Volume 25, Issue 2, Pages 87-92
10.33899/ijvs.2011.5648

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Abstract

The present study was carried out on 15 growing local bull calves of about 150-200 kg, live body weight and 10-12 months old to investigate the effect of substituting soyabean meal as concentrate feed mixture protein by Nigella sativa meal (NSM) at 0 , 60 and 100%. Animals were divided into 3 groups of 5 calves each, according to their live body weight for performing feeding trials. All groups of animals were fed iso-nitrogen (15% CP) and iso-caloric (2.7 Mcal/kg. ME) diets. Experimental rations were offered at 2.5% of live body weight with 1% of wheat straw. At the end of the feeding trial, which lasted for 105 days, blood samples were collected from all calves to estimate the total protein, albumin, globulin, triglyceride and cholesterol. Digestibility trial was carried out on three animals of each group to investigate the nutritional value of rations. Economical study was also carried out on experimental animals. Results indicated that there was an improvement in feed intake by 13 and 14% for groups fed a ration containing NSM compared with the group fed the control one. No significant differences were between groups of calves in total body weight gain and blood parameters. The feed conversion ratio improved by 12% for the group of calves fed control ration as compared with other groups. The same cost of producing 1 kg live body weight gain was found. Substituting soybean meal protein at 60 and 100% by NSM protein significantly improved crude fiber, ether extract, EE, and the values of digestion coefficient. It was concluded that NSM could be substituted instead of soyabean meal for growing local calves with out adverse effects on their performance.
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(2011). Using Nigella sativa meal as a substitute source for vegetable protein in rations of native growing calves. Iraqi Journal of Veterinary Sciences, 25(2), 87-92. doi: 10.33899/ijvs.2011.5648
N. Y. Abou; N. M. Abdullah; A. K. Nasser. "Using Nigella sativa meal as a substitute source for vegetable protein in rations of native growing calves". Iraqi Journal of Veterinary Sciences, 25, 2, 2011, 87-92. doi: 10.33899/ijvs.2011.5648
(2011). 'Using Nigella sativa meal as a substitute source for vegetable protein in rations of native growing calves', Iraqi Journal of Veterinary Sciences, 25(2), pp. 87-92. doi: 10.33899/ijvs.2011.5648
Using Nigella sativa meal as a substitute source for vegetable protein in rations of native growing calves. Iraqi Journal of Veterinary Sciences, 2011; 25(2): 87-92. doi: 10.33899/ijvs.2011.5648
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