Browsing Sustainable aquaculture by Author "Velasco, R.R."
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Biochemical and morphometric approaches to characterize farmed tilapias
Eknath, A.E.; Macaranas, J.M.; Agustin, L.Q.; Velasco, R.R.; Ablan, M.C.A.; Pante, M.J.R.; Pullin, R.S.V. (1991)Type: Journal ArticleBiochemical (electrophoresis and mitochondrial DNA) and morphological analysis are important tools for the characterization of strains. Reference is made to studies conducted in the framework of the Genetic Improvement of ... -
Genetic improvement of farmed tilapias: Genetic parameters for body weight at harvest in Nile tilapia (Oreochromis niloticus) during five generations of testing in multiple environments
Bentsen, H.B.; Gjerde, B.; Nguyen, N.H.; Rye, M.; Ponzoni, R.W.; Palada de Vera, M.S.; Bolivar, H.L.; Velasco, R.R.; Danting, J.C.; Dionisio, E.E.; Longalong, F.M.; Reyes, R.A.; Abella, T.A.; Tayamen, M.M.; Eknath, A.E. (2012)Type: Journal ArticleThe main objective of this paper was to report more reliable estimates of the genetic variation and the genotype by test environment interaction for harvest body weight in the GIFT population in the Philippines than could ... -
Genetic improvement of farmed tilapias: Response to five generations of selection for increased body weight at harvest in Oreochromis niloticus and the further impact of the project
Bentsen, H.B.; Gjerde, B.; Eknath, A.E.; de Vera, M.S.P.; Velasco, R.R.; Danting, J.C.; Dionisio, E.E.; Longalong, F.M.; Reyes, R.A.; Abella, T.A.; Tayamen, M.M.; Ponzoni, R.W. (2017)Type: Journal ArticleSelection for increased body weight at harvest in Nile tilapia (Oreochromis niloticus) was carried out for five generations from 1991 to 1996, as a part of the project Genetic Improvement of Farmed Tilapias (GIFT). The ... -
Photographic image analysis for morphometric studies of tilapia
Velasco, R.R.; Eknath, A.E.; Macaranas, J.M.; Garcia, R.C., Jr. (1991)Type: Journal ArticleBiologists have long employed morphometry as a tool in identification, grouping of populations and stock identification of fish. For tilapias, studies have been made on the variability of morphomeric characters in Egyptian ...

