Sex-reversed Tilapia Makes A Splash In Mindanao
Agriculture|August 2017

MINDANAO, the second largest island (after Luzon) in the Philippines, has about 24% of the population of the country and six of its 17 regions. In terms of fisheries production, the island produces 35% of the country’s total municipal marine fisheries but only 30% of its municipal inland fisheries, based on 2015 data of the Philippine Statistics Authority. With coastal marine fisheries on the decline, there is a fish supply deficit, particularly in the inland areas of Mindanao.

Dr. Rafael D. Guerrero III

To fill the increasing demand for fish in Mindanao, the culture of fishes like tilapia has been advocated. An institution that has taken the initiative of promoting the sex-reversed tilapia technology in the island is the Mindanao State University (MSU) in Naawan, Misamis Oriental, Northern Mindanao.

In 1995, then-MSU Naawan Chancellor, Dr. Marcelino Tumanda, Jr., obtained a grant from the now defunct Philippine Council for Aquatic and Marine Research and Development (PCAMRD) of the Department of Science and Technology for a Tilapia Hatchery Demonstration and Fry Dispersal Project. Using the existing facilities of a terminated prawn hatchery project, the institution produced sexreversed Nile tilapia fry for dispersal to farmers in Lanao del Sur, Lanao del Norte, Misamis Occidental, Bukidnon, Agusan del Norte, and Zamboanga del Sur.

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