RESPONSE OF ANESTROUS RURAL BUFFALO HEIFERS TO HYPOPHYSEAL AND GONADAL HORMONES TREATMENT

S. PERVEEN¹, C. SINGH², M.Z. HODA³*
¹Department of Veterinary Physiology, Bihar Veterinary College, Patna, 800014, Dr Rajendra Prasad Central Agriculture University, Pusa, 848125, Bihar, India
²Ex Professor and Head, Department of Veterinary Physiology, Bihar Veterinary College, Patna, Dr Rajendra Prasad Central Agriculture University, Pusa, 848125, Bihar
³ICAR-Krishi Vigyan Kendra, Bihar Agricultural University, Sabour, Bhagalpur, 813 210, Bihar, India
* Corresponding Author : zeyaul1234@gmail.com

Received : 28-11-2019     Accepted : 26-12-2019     Published : 30-12-2019
Volume : 11     Issue : 12       Pages : 1745 - 1746
Int J Microbiol Res 11.12 (2019):1745-1746

Keywords : Heifers, Buffaloes, Estrus, Progesterone, GnRH
Academic Editor : Leena Kamalaskar, Dr S. G. Deshmukh
Conflict of Interest : None declared
Acknowledgements/Funding : Authors are thankful to Department of Veterinary Physiology, Bihar Veterinary College, Patna, 800014, Dr Rajendra Prasad Central Agriculture University, Pusa, 848125, Bihar, India. Authors are also thankful to Gauharpur Veterinary Hospital, Patna district and Baidyanathpur Veterinary Hospital, Vaishali district for arranging the experimental animals
Author Contribution : All authors equally contributed

The objective of this study was to find efficiency of a treatment regimen that combines the use of Progesterone and gonadotropin releasing hormone (GnRH) for induction of estrus and fertility in anestrous rural buffalo heifers. A total of 30 buffalo heifers were selected for the study. All heifers were administered Prostaglandin (2 ml, I/M) injection. Animals which exhibited estrus were excluded from the study and rest 24 animals were divided in four groups. Estrus was detected (moderate to strong) in three (50%) out of six heifer buffaloes in group II and two (33.33%) out of six heifers in group III. Strong estrus was detected in five (83.33%) out of six heifers of group IV. All five heifers conceived with 100% pregnancy rate. It is concluded that the use of progesterone followed by GnRH treatment is an effective ovulation control method in late maturing anestrous buffalo heifers under field conditions where estrus detection is a problem. Routine reproductive examination and adequate hormone treatment may improve the reproductive performance of anoestrous rural buffalo heifers. The results obtained may be helpful to adopt preventive and therapeutic measures for improvement of reproductive efficiency of buffalo heifers and thus production of the dairy animals.

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