Abstract
This study was planned to clarify the recent milk and reproductive performances of high yielding dairy crossbreds based on various genotype, parity and location beside the Baghabari Milk Vita areas of Bangladesh. Performance records were collected from total 81 crossbred cows from both 15 households in Sirajgonj and Pabna districts, and six bathan areas at Sirajgonj. Genetic admixture of various breeds identified in the studied areas showed diverse performance. Milk production not varied statistically (16.27 to 19.33 liters per day as peak) either for genotype, parity or region but differed in number of AI services for last pregnancy in L×HF×SL (1) and L×HF×JE (2.18) genotypes at household level. Average 70 days observed between the day of calving and next fertile AI service in dairy farming. The study on bathan revealed about 23 months for age at first fertile AI in high yielding dairy cows with average 1.92 AI services per cow for last conceive. Peak milk production identified in HF crossed with local than HF×SL and JE genotypes. Screening, record keeping and controlled AI or mating with specific targeted breed could increase breed uniformity and productivity of high yielding crossbreds not only in Milk Vita region but also other milk pocket areas of this country. In addition, breed composition study is required for ensuring specific breed effects on production performance to design a planned breeding for sustainable dairy breed development in Bangladesh.Asian J. Med. Biol. Res. March 2017, 3(1): 127-133
Highlights
There are about 23.10 million cattle populations in Bangladesh where 6 million are dairy cattle, and its 85-90% and 10-15% belong to indigenous Zebu type (Bos indicus) and crossbreds, respectively (DLS, 2012; Hamid and Hossain, 2014)
This Pabna milking cows (PMC) were originated from the introduction of different tropical breeding bulls such as Sahiwal, Hariana and Red Sindhi with our Deshi cows through cattle development project early before the end of British ruled in Indian sub continent and its regular consequences around the Pabna and Sirajgong districts of Bangladesh
It is concluded that unique dairy cattle herd of different crossbreds available around the Baghabari region of Milk Vita
Summary
There are about 23.10 million cattle populations in Bangladesh where 6 million are dairy cattle, and its 85-90% and 10-15% belong to indigenous Zebu type (Bos indicus) and crossbreds, respectively (DLS, 2012; Hamid and Hossain, 2014). In Milk Vita area the high yielding crossbred cattle populations are mainly developed from the imported purebred bulls and semen of various temperate breeds like Australian-Friesian-Sahiwal, Holstein and Jersey with local Pabna milking cows (PMC). This PMC were originated from the introduction of different tropical breeding bulls such as Sahiwal, Hariana and Red Sindhi with our Deshi cows through cattle development project early before the end of British ruled in Indian sub continent and its regular consequences around the Pabna and Sirajgong districts of Bangladesh.
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