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Pakistan Journal of Nutrition
  Year: 2005 | Volume: 4 | Issue: 4 | Page No.: 222-225
DOI: 10.3923/pjn.2005.222.225
 
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Comparative Study on the Productive and Reproductive Performance of Different Dairy Genotypes Reared in Bangladesh Agricultural University Dairy Farm
S.C. Mondal , M.M. Alam , M.M. Rashid , M.Y. Ali and M.M. Hossain

Abstract:
The study was conducted at Bangladesh Agricultural University Dairy Farm for a period of six months. A total of 164 dairy cows belongs to different breeds, such as Jersey cross, Sahiwal cross, Sindhi cross, Holstein cross and Red Chittagong cows were selected and their information regarding milk production and other reproductive parameters were collected from farm records for a period of last five years (1993-1997). The number of animals of each of the genotypic classes were 48 for Jersey cross, 46 for Sahiwal cross, 35 for Sindhi cross, 20 for Holstein cross and 15 for Red-Chittagong. Significant difference was found within the milk yield (p<0.01), calving interval (p<0.05) and birth weight of calves (p<0.01) of different types of dairy cows. In case of lactation length, gestation length and service per conception, there were no significant differences (p>0.05). Highest milk yield (3.20 lit/day), highest birth weight of calves (15.2 kg) and lowest calving interval (414 days) were observed for Holstein cross. The lowest milk yield (2.46 lit/day) and lowest birth weight of calves were found in Red-Chittagong cows. Production performance of Holstein crossbred were superior to other dairy crossbreds. Jersey crossbred ranked second and performances of other genotypes were nearly similar.
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How to cite this article:

S.C. Mondal , M.M. Alam , M.M. Rashid , M.Y. Ali and M.M. Hossain , 2005. Comparative Study on the Productive and Reproductive Performance of Different Dairy Genotypes Reared in Bangladesh Agricultural University Dairy Farm . Pakistan Journal of Nutrition, 4: 222-225.

DOI: 10.3923/pjn.2005.222.225

URL: https://scialert.net/abstract/?doi=pjn.2005.222.225

 
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