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Ruminant Nutrition and Forage Utilization
Asian-Australasian Journal of Animal Sciences 1996;9(2): 175-180.
https://doi.org/10.5713/ajas.1996.175    Published online April 1, 1996.
Effect of supplementation of different levels of tea waste on the performance of growing calves
J. Begum, A. Reza, M. R. Islam, M. M. Rahman, M. S. Zaman
Twelve indigenous(desi) growing male calves of 9-12 months of age(95.3 12.6 kg) were divided into 4 groups having 3 animals in each group. Each group of calves received 1 kg fresh concentrate mixtures where tea waste was supplemented as 0(T0), 50(T1), 100(T2) and 150(T3) g d-1 with the replacement of equal amount of concentrate mixtures. In addition, each calf received ad libitum chopped rice straw and 2 kg green grass a day. Dry matter intake increased by offering higher levels of tea waste except in the treatment T3. Daily gain(g d-1) was comparatively higher in T2 group(314.6g) compared to other treatments. Feed efficiency(kg DM kg-1 gain) was also higher in T2 group(9.9) where feed cost kg-1 gain was also comparatively lower(Tk. 25.7) than the other treatments. Dry matter and CP digestibility increased with the increase in supplementation of tea wastes except in the treatment T3.
Keywords: Supplementation; Tea waste; Performances; Desi Calves; Digestibility

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