A comparative study on lipid profile of before and after synchronized dairy cows under bathan rearing system at Sirajgonj district of Bangladesh

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A comparative study on lipid profile of before and after synchronized dairy cows under bathan rearing system at Sirajgonj district of Bangladesh

Moumita Tasnim, Royhan Ahammed, Mohammad Mahfuz Ali Khan Shawan, Ashraful Hasan, Md. Sirajul Islam, Mahbubul Morshed
Int. J. Biosci.13( 5), 301-308, November 2018.
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Repeat breeder cows (RBC) were identified as cows with normal estrus cyclicity that fails to breed after 3 or more inseminations. The RBC occurrence causes a major financial loss to the dairy herds, including increasing the formulation cost of insemination, treatment, pasturage, fatigue and administration, calving interval, run-on rates and reduced calf and milk production. Studies inquiring alignments between the lipid level of repeat breeder cows before and after synchronization. Twenty eight (28) dairy cows of repeat breeder at the diverse sheds of dairy cultivators at the bathan area at Sirajgonj district in Bangladesh applied for this study. The cows were synchronized in a standard heat period in which GnRH and PGF2α were treated. Subsequently the blood samples were collected and separated serum samples were experimented for the comparative lipid level of synchronized and unsynchronized repeat breeder dairy cows.The level of Cholesterol, Triglycerides were significantly higher in normal repeat breeder cows than synchronized repeat breeder cows. The results also emerged that the level of HDL-Cholesterol was higher in synchronized repeat breeder cows. The mean value of Cholesterol, Triglycerides and HDL – Cholesterol of unsynchronized repeat breeder cows were 21.65 mg/dl, 29.86 mg/dl, 82.67mg/dl and in synchronized cows7.008 mg/dl, 14.12 mg/dl, 124.7 respectively. This quantitative analysis exhibits that the level of Cholesterol, Triglycerides and HDL-Cholesterol were significantly different between normal repeat breeder cows and synchronized repeat breeder cows. These results clearly correlate the lipid profile and repeat breeding problems in dairy cows.


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