SINGH, JAGIR, R KASRIJA, G S DHALIWAL, V K GANDOTRA, and M HONPARKHE. “Effect of Post-Insemination Progesterone Supplementation on Conception Rates in Repeat Breeding Cattle”. The Indian Journal of Animal Sciences 78, no. 3 (March 8, 2011). Accessed October 23, 2025. https://epubs.icar.org.in/index.php/IJAnS/article/view/4639.