KUMAR, AJAY, C SINGH, and A P SINGH. “Response of Age and Reproductive Stage on Plasma Cobalt Concentration With and Without Feeding Mineral Mixture”. The Indian Journal of Animal Sciences 77, no. 7 (April 5, 2011). Accessed October 23, 2025. https://epubs.icar.org.in/index.php/IJAnS/article/view/5501.