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A statistical study to evaluate the initial weight for fattening in local calves

    N. M. Abdullah

Iraqi Journal of Veterinary Sciences, 2008, Volume 22, Issue 1, Pages 69-73
10.33899/ijvs.2008.5664

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Abstract

Data of twenty one local breed bull calves (Sharabi and Janoubi) were collected from previous work for this study, their ages ranged from 8-18 month with initial live body weight of 125-300 kg. They were fed for 100 days period a standard ration which consisted of 60:40% concentrate to roughages ratio and contained 12.4% crude protein, 19.9% crude fiber and 2.2 Mcal/kg ME. Feed was offered at 3% of live body weight. Calves weights were sorted out into three groups, according to their means of body weight and were 140, 210 and 280 kg. The first group of calves had a significant increase daily gain more than the other two groups and were 1200, 850 and 830 g, respectively. Also, feed conversion rate of the first group was better than the other two groups, and were 6.2, 8.9 and 9.9 kg. ration/1 kg weight gain, respectively. Cost of feeding to produce one kg of weight gain in the first group was more efficient than the other two groups, and were 1860, 2670 and 2970 I.D., respectively. No differences were found in carcass traits among the three groups of calves. The results of this study suggest that it is better to choose local bull calves at live weight less than 200 kg for fattening purpose, to obtain more economical benefit.
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(2008). A statistical study to evaluate the initial weight for fattening in local calves. Iraqi Journal of Veterinary Sciences, 22(1), 69-73. doi: 10.33899/ijvs.2008.5664
N. M. Abdullah. "A statistical study to evaluate the initial weight for fattening in local calves". Iraqi Journal of Veterinary Sciences, 22, 1, 2008, 69-73. doi: 10.33899/ijvs.2008.5664
(2008). 'A statistical study to evaluate the initial weight for fattening in local calves', Iraqi Journal of Veterinary Sciences, 22(1), pp. 69-73. doi: 10.33899/ijvs.2008.5664
A statistical study to evaluate the initial weight for fattening in local calves. Iraqi Journal of Veterinary Sciences, 2008; 22(1): 69-73. doi: 10.33899/ijvs.2008.5664
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