Macaranas, J. M.Taniguchi, N.Pante, M. J. R.Capili, J. B.Pullin, R. S. V.2025-03-301986-10Macaranas, J. M., Taniguchi, N., Pante, M. J. R., Capili, J. B., & Pullin, R. S. V. (1986). Electrophoretic evidence for extensive hybrid gene introgression into commercial <i>Oreochromis niloticus</i> (L.) stocks in the Philippines. <i>Aquaculture Research</i>, <i>17</i>(4), 249–258. https://doi.org/10.1111/j.1365-2109.1986.tb00111.x1355-557X1365-210910.1111/j.1365-2109.1986.tb00111.xhttps://hdl.handle.net/20.500.14697/214The usefulness of isozyme and protein markers in identifying tilapia species and their hybrids is demonstrated. Genetic characterization of <i>Oreochromis niloticus</i> populations from commercial farms, experimental stations, and government hatcheries in Luzon, Visayas and Mindanao in the Philippines indicates well-established introgression with <i>O. mossambicus.</i> Genetic differentiation of the <i>O. niloticus</i> stocks, measured by Nei's genetic distance, was highly correlated with <i>O. mossambicus</i> gene content. The implications of these results for tilapia genetic improvement are discussed.enNile tilapiaFishes--GeneticsFishes--HybridizationIsoenzymesArticleSDG 14 - Life below watergenetic variationChallenge 3: Sustainably feed the global population