Eteng, Sunday U., and Aniema P. Inyang-Etoh. “Comparative Study of Ovaprim and African Catfish Pituitary Extract to Induce Breeding in the Hatchery Complex of University of Calabar, Nigeria”. Journal Of Agriculture, Forestry & Environment , vol. 8, no. 2, Apr. 2025, pp. 13-21, https://jafe.net.ng/index.php/home/article/view/99.