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Ruminant Nutrition and Forage Utilization
Asian-Australasian Journal of Animal Sciences 1988;1(1): 27-31.
DOI: https://doi.org/10.5713/ajas.1988.27    Published online March 1, 1988.
Performance of lambs fed urea molasses blocks vs concentrate
I. H. Mirza, J. K. Jadoon, M. A. Naqvi, A. Ali
Abstract
Thirty five crossbred male lambs of about 8 months age, with an average body weight of 24 kg were divided into 7 groups of 5 lambs each and were fed urea molasses blocks (UMB) for 150 days (groups 1 to 5); having, 4, 6, 8 and 10% urea respectively; while group 6 was fed concentrate @318 g per head daily and 7th group was kept as control i.e. grazing only. Daily consumption of UMB/concentrate was found to be 318, 246, 211, 93 and 318 g/d for groups 1 to 6, respectively. The statistical differences in consumption between group 1 and group 6, and group 2, 3 and 4 were found to be non-significant. Only group 5 differed statistically from all other groups. The average daily gain was 48, 29, 39, 38, 25 and 66 grams for groups 1 to 6 respectively, while group no. 7 lost 11 g/head/day. The differences in weight gain among groups 1, 3, 4 and 6 were non significant. The expenditure per kg body weight gain was found to be (Rs c) 9.53, 12.45, 8.05, 7.99, 3.69 and 10.85 for groups 1 to 6, respectively.
Keywords: Urea Molasses Blocks; Lambs


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