Akpa, G.N., K.A. Koffi, M.R. Hassan, M. Kabir, S. Duru, and S.M. Yashim. “Effects of Feed Type, Sex and Plumage Condition on Tonic Immobility and Blood Parameters in Broilers”. International Journal of Poultry Science 6, no. 3 (February 15, 2007): 218–222. Accessed September 22, 2025. https://ijpsjournal.org/index.php/ijps/article/view/741.