Shah, Ritesh Prasad, et al. “Effect of Berberis Aristata Root Powder - A Herbal Feed Additive- on Production Performance and Carcass Quality of Broiler Birds”. International Journal of Livestock Research, vol. 9, no. 5, May 2019, pp. 40-45, https://ijlr.org/ojs_journal/index.php/ijlr/article/view/1250.