Efficacy of pre-insemination treatment with GnRH for improving conception rate in repeat breeder cows

Authors

  • R R SHELAR Department of Gynaecology & Obstetrics, Bombay Veterinary College, Parel, Mumbai - 400 012
  • V L DEOPURKAR
  • S A BAKSHI
  • S U GULAWANE

Keywords:

Repeat breeding, GnRH, cows, conception

Abstract

An attempt was made to asses pre-insemination use of Gonadotropin Releasing Hormone (GnRH) in 20
noninfectious repeat breeding Gir Cows and its crossbreds (G x HF, G x J ). Buserline 10 ug was injected
intramuscularly just before insemination in treatment group of animals. Conception rate in the treatment group
was 20% higher than the control. GnRH had no influence on subsequent serum progesterone level on 14th and
. 22nd day post-insemination. The properties of estrual mucus discharge (pH, Spinnbarlceit test and in-vitro sperm
penetration test) differed significantly between fertile and nonfertile estrus.

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Published

2023-02-04

Issue

Vol. 23 No. 1 (2002): Indian Journal of Animal Reproduction

Section

Research Article