EGWENOMHE, M, and A. OBI. “COST AND EFFECTIVENESS OF OVAPRIM®, OVATIDE® AND FISH PITUITARY EXTRACT ON INDUCED SPAWNING OF AFRICAN CATFISH ”. Nigerian Journal of Fisheries 9, no. 2 (December 1, 2012): 555–559. Accessed June 10, 2026. https://fisonjournal.org.ng/index.php/njf/article/view/266.