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The effect of selection for greater growth rate in the GIFT strain on traits related to female reproduction (weight at spawning, number of eggs, number of fry, total weight of fry and number of dead fry) was studied. Available records comprised 10 generations of data from a total of 935 breeding ...


Hamzah, A.Nguyen Hong NguyenMekkawy, W.Hooi Ling KhawHoong Yip YeeAbu Bakar, K.R.Ponzoni, R.W.Mohd Nor, S.A.[Genetic parameters and correlated responses in female reproductive traits in the GIFT strain]Genetic parameters and correlated responses in female reproductive traits in the GIFT strain

The aims of this study were the estimation of genetic parameters for survival rate from tagging until harvest and the evaluation of the correlated response in survival rate to selection for harvest weight in the genetically improved farmed tilapia (GIFT) strain. The heritability for survival rate...


Hamzah, A.Mekkawy, W.Hooi Ling KhawNguyen Hong NguyenHoong Yip YeeAbu Bakar, K.R.Nor, S.A.M.Ponzoni, R.W.[Genetic parameters for survival during the grow-out period in the GIFT strain of Nile tilapia (Oreochromis niloticus) and correlated response to selection for harvest weight]Genetic parameters for survival during the grow-out period in the GIFT strain of Nile tilapia (Oreochromis niloticus) and correlated response to selection for harvest weight

Background Social interactions often occur among living organisms, including aquatic animals. There is empirical evidence showing that social interactions may genetically affect phenotypes of individuals and their group mates. In this context, the heritable effect of an individual on the phenoty...


Hooi Ling KhawPonzoni, R.W.Bijma, P.[Indirect genetic effects and inbreeding: Consequences of BLUP selection for socially affected traits on rate of inbreeding]Indirect genetic effects and inbreeding: Consequences of BLUP selection for socially affected traits on rate of inbreeding

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