Kumar, Sachin, Hujaz Tariq, Anukarna Singh, Nitin Tyagi, Goutam Mondal, Mahesh Gupta, and A. K. Tyagi. 2017. “Significance of Probiotics As Feed Additives in Livestock and Poultry Nutr”. Indian Journal of Animal Nutrition 34 (4). https://epubs.icar.org.in/index.php/IJAN/article/view/76448.