Patel, J A, F S Kavani, and A J Dhami. “Ultrasonographic Study on Follicular Dynamics in Repeat Breeding Holstein Friesian Cows”. The Indian Journal of Animal Sciences 76, no. 8 (February 22, 2011). Accessed June 4, 2026. https://epubs.icar.org.in/index.php/IJAnS/article/view/4236.