DE D, MOHINI M, SINGH GP. Influence of monensin enriched UMMB feeding on in vivo methane emission in crossbred calves fed on wheat straw and concentrate based diet. Indian J of Anim Sci. 2012;82(6). Accessed October 24, 2025. https://epubs.icar.org.in/index.php/IJAnS/article/view/19074