M. S. Sambyal, B. T. Phondba, D. Thakur, and H. Kaur, “Effect of vitamin E and zinc supplementation in pre and post partum period in crossbred cows on anti-oxidant, immunity status and performance of new born calves : Pre and post partum period vitamin E and zinc supplementation effect on performance of new born calves”, IJDS, vol. 76, no. 4, Aug. 2023, Accessed: Oct. 26, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJDS/article/view/128677