M. Makesh, H. K. Mukhopadhyay, N. Dorairajan, and W. M. Paul, “Efficacy of bursal derived killed infectious bursal disease vaccine in experimental chicks*”, Indian J of Anim Sci, vol. 68, no. 12, Jul. 2012, Accessed: Oct. 24, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAnS/article/view/22459