SAXENA PC, TIWARI DP, KUMAR A, MONDAL BC. Effect of dietary supplementation of copper and phosphorus on nutrient utilizationand growth in crossbred heifers. Indian J of Anim Sci. 2011;80(1). Accessed June 3, 2026. https://epubs.icar.org.in/index.php/IJAnS/article/view/2736