S. Duru, G. N. Akpa, J. J. Omage, T. S. Olugbemi, G. E. Jokthan, and T. F. Balogun, “Production characteristics of pig holdings under peri-urban setting ,of Zaria, Northern Nigeria”, Indian J of Anim Sci, vol. 69, no. 8, Jul. 2012, Accessed: Oct. 20, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAnS/article/view/21177