SINGH, M K, and M GURNANI. “Factors Affecting Body Weight at Different Ages, Age at First Fertile Service and Age at First Calving in Karan Fries Cattle”. The Indian Journal of Animal Sciences 72, no. 6 (February 18, 2014). Accessed October 23, 2025. https://epubs.icar.org.in/index.php/IJAnS/article/view/37657.