Dadarwal, Dinesh, Jagir Singh, M Honparkhe, G S Cheede, and R S Kang. “Lnvestigations on Repeat Breeding Crossbred Cattle With History of Prolonged Estrus”. The Indian Journal of Animal Sciences 75, no. 8 (August 5, 2005). Accessed May 30, 2026. https://epubs.icar.org.in/index.php/IJAnS/article/view/9440.