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Journal of Biological Sciences
Year: 2002  |  Volume: 2  |  Issue: 5  |  Page No.: 329 - 332

The Effect and Economic Evaluation of Feeding Urea- Molasses and Urea-Molasses Concentrate With Green Grasses on Milk Production in Buffalo Cows of Bangladesh

M. J. Uddin, G. Miah, F. Kabir, M. Hasanuzzaman and M. H. Khan    

Abstract: A trail was conducted to investigate the effect and economic evaluation of feeding urea-molasses and urea-molasses concentrate with green grass on milk yield. Sixteen animals were grouped in to 3 having 5 animals in each of group A and C and 6 animals in group B. Group A was control (farmer practice), B was fed urea-molasses with green grass and C was fed urea-molasses concentrate with green grasses. The average milk yield of group A, B and C were 0.82, 2.67 and 1.87 kg/d and 4% fat corrected milk yield (FCM) of group A, B and C were 2.54, 6.99 and 4.78 kg/d respectively. The both average milk yield and FCM yield of group A was significantly (P<0.001) lower than treated groups B and C. Supplemented group B was significantly higher than supplemented group C. Total feed cost in group B (TK.1140) was lower than that of group C (TK.1305). In contrasts , net return from B (TK.5950) was higher than that of group C (TK.3658). In addition, another metabolic trail was carried out to find out the reason of better performance of urea-molasses supplemented group than urea-molasses concentrate group. Four cannulated animals were fed four types of dietary group, A, B, C and D respectively and was observed the ruminal parameters (NH3, pH) NH3-N was significantly higher (P<0.05) in dietary groups C and D than in dietary groups A and B. Addition of urea increased rumen NH3 level and maintain rumen pH in normal range. This favorable environment of rumen may recovered the deficit nutrients (energy, protein) of normal local grasses and increased milk production.

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