K. D. Y. S. K. S. T. R. D.N. SINGH and R. Sirohi, “Physio-haematological and biochemical changes in dairy cows during different stages of estrus”, Indian J. Anim. Prod. Manage., vol. 34, no. 1-2, Jan. 2019, Accessed: Oct. 28, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAPM/article/view/86342