Purwar, V. (2018) “Effect of protected fat, yeast, niacin, zinc and chromium supplementation on the productive performance of heat-stressed Karan Fries heifers”, Indian Journal of Dairy Science, 71(3). Available at: https://epubs.icar.org.in/index.php/IJDS/article/view/80677 (Accessed: 25 October 2025).