N.Al-Asadi, , R., and S. I. Salih. “A COPARATIVE STUDY OF CASTRATION IN PIGS”. The Iraqi Journal of Veterinary Medicine 16, no. 1 (June 28, 1992): 136–145. Accessed December 11, 2025. https://jcovm.uobaghdad.edu.iq/index.php/Iraqijvm/article/view/1620.