A. KUMAR, C. SINGH, and A. P. SINGH, “Response of age and reproductive stage on plasma cobalt concentration with and without feeding mineral mixture”, Indian J of Anim Sci, vol. 77, no. 7, Apr. 2011, Accessed: Oct. 23, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAnS/article/view/5501