Tiwari, Devendra Prasad. “Comparative Growth Performance and Nutrient Utilization in Commercial Broiler Chickens Fed Diets Supplemented With Herbal Methionine Vis-à-Vis Synthetic DL-Methionine During Summer Season”. Indian Journal of Animal Nutrition 35, no. 3 (August 29, 2018). Accessed October 28, 2025. https://epubs.icar.org.in/index.php/IJAN/article/view/76901.