The objective of study to compare the conception rate in repeat breeder dairy cows after using injection of GnRH (Ovulanta)@ 20 μg intramuscularly on 5th day of artificial insemination (AI). Non-infectious cows were randomly divided into two groups Group I (no treatment) and Group II (GnRH on 5th day of post AI). At the time of AI, mean serum glucose concentration recorded 58 and 61 mg/dl in Group I and II. All the cows were screened for pregnancy diagnosis on day 45. | Effect of GnRH on 5th day of post artificial insemination for fertility augmentation in repeat breeder dairy cows
