SOOD, PANKAJ, H D SARMA, P K DOGRA, and VARUN SANKYAN. “Effect of Variable Interservice Interval on Conception in Crossbred Cows”. The Indian Journal of Animal Sciences 90, no. 9 (January 12, 2021): 1255–1259. Accessed November 3, 2025. https://epubs.icar.org.in/index.php/IJAnS/article/view/109449.