Dept. of Animal Reproduction, Gynaecology and Obstetrics, College of Vety. Science & A.H., O.U.A.T., Bhubaneswar-3.
The present study reveals that administration of GnRH improves fertility rate/conception rate in Red Sindhi Jersey crosses (RSCBJ) and Red Sindhi Holstein Friesian crosses (RSCBHF) repeat breeder cows and heifers. However better effect was observed in RSCBJ heifers as compared to RSCBHF heifers.
fertility, conception rate, repeat breeding, GnRH, AI