Therapeutic effect of single over-dose of PGF2α on typical postpartum anestrus in dairy cows | ||||
| Benha Veterinary Medical Journal | ||||
| Article 1, Volume 28, Issue 1, March 2015, Page 1-7 PDF (172.89 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/bvmj.2015.32519 | ||||
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| Authors | ||||
| El-Desouky A.M.; Hussein M.S. | ||||
| Edu. Vet. Hospital, Fac. Vet. Med., El-Mansora Univ., Egypt | ||||
| Abstract | ||||
| The present study aimed at evaluating the effect of single over-dose of PGF2α on postpartum anestrus due to retained corpus luteum in dairy cows. A total of 40 dairy cows, 3-8 years old and 1-6 parities used in these study, were assigned into two comparable groups; control group of 20 cows were injected by 500μg from PGF2α and over-dose group of 20 cows were injected by 750 μg from PGF2α i.m. The obtained results indicated the presence of a significant increase in the heat response (85 vs. 65%), decrease in the time elapsed from treatment to heat (2.47 vs. 4.53 days) and the serum progesterone level, 24 hrs. and 48 hrs. after treatment, in the over-dose group than that in the control; there was a nonsignificance difference in the number of service per conception and the conception rate between both groups. | ||||
| Keywords | ||||
| PGF2α; postpartum anestrus; dairy cows; conception rate | ||||
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