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Abstract
Data on body measurements like BL (body length), CG (chest girth), WH (wither height) TM (test day milk production), PM (peak milk production), LP (lactation period), CFDC (cost for concentrate feed before test day milk production per cow), GGU (green grass used before test day milk production per cow) and husbandry practices, were collected from a total of 100 dairy cattle at the villages of Islampur upazila under the district of Jamalpur in Bangladesh from January to February 2017. Collected data were analyzed using SPSS software. The highest BL, CG, WH, CFDC and GGU were 175.71±0.42 cm, 161.74±0.24 cm,123.82±0.11 cm 125.54±0.24 bdt/cow/day and 27.29±0.89 kg/cow/day, respectively. The highest amounts of TM, PM and LP were 9.36±0.60 liter/cow, 13.11±0.54 liter/cow and 247.14±1.47 days/cow, respectively. BL, CG and WH increased with increased of the age of crossbred cattle up to 150 months of old. Similarly, CFDC and GGU increased with the increased of the age of crossbred cattle up to 150 months of old. Farmers in the study area were not interested to keep breeding bulls for breeding purpose but they were using artificial insemination system to inseminate their cows and aware about production performance record of the inseminating bull. Farmers took health services from milk vita and sold milk to the same. They believed that dairy cattle rearing a profitable livelihood. TM, PM and LP increased with the increased of the age of crossbred cattle up to 150 months of old. However, increase of CFDC will increase TM, LP and PM but increase of GGU will increase only LP. On the other hand increase of CG will increase TM and increase of BL will increase LP and PM.Res. Agric., Livest. Fish.4(2): 91-98, August 2017
Highlights
Livestock is a vital component of agriculture and contributing about 3.10% to gross domestic products (GDP) and this is contributing more than 6% of total foreign exchange earnings in Bangladesh (BER, 2015)
Discussions might be suggested that Body Length (BL), Chest Girth (CG) and Wither Height (WH) increased with increased of the age of crossbred cattle up to 150 months of old
Farmers took health services from milk vita and sold milk to the milk vita. They believed that dairy cattle rearing a profitable livelihood
Summary
Livestock is a vital component of agriculture and contributing about 3.10% to gross domestic products (GDP) and this is contributing more than 6% of total foreign exchange earnings in Bangladesh (BER, 2015). Crossbred animals under Bangladesh condition contributes about 24% of the 6.9 million breedable cows and heifers (Huque et al, 2011) and Friesian x Local crossbred cows’s milk production performance considerably improved over the decades (Bhuiyan, 2011). To improve genetic merit of the dairy animals, among the various mating systems crossbreeding of local non-descript cattle with exotic breeds of high genetic potential, is considered to be a rapid and effective method (Usman et al, 2012). Research work addressing body measurements to relate milk production performances is scanty. The present study was designed and conducted to learn the correlation between milk production traits and body measurements of Friesian × local crossbred cattle under village condition in Bangladesh
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