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Said, M.M.Mekkawy, W.[Genetic evaluation of growth and survival at 6 weeks old fry of Egyptian Nile Tilapia (Oreochromis niloticus) between improved Abbassa and commercial Manzala strains in a diallel crossing]Genetic evaluation of growth and survival at 6 weeks old fry of Egyptian Nile Tilapia (Oreochromis niloticus) between improved Abbassa and commercial Manzala strains in a diallel crossing

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 present study examined the variation in survival, proportion of male morphotypes, female and male proportion, female reproductive status and tag losses in nine crosses from a complete (3 × 3) diallel mating of three populations of Macrobrachium rosenbergii in India. The populations originated...


Pillai, B.R.Mahapatra, K.D.Ponzoni, R.W.Sahoo, L.Lalrinsanga, P.L.Mekkawy, W.Khaw, H.L.Nguyen, N.H.Mohanty, S.Sahu, S.Patra, G.[Survival, male morphotypes, female and male proportion, female reproductive status and tag loss in crosses among three populations of freshwater prawn Macrobrachium rosenbergii (de Man) in India]Survival, male morphotypes, female and male proportion, female reproductive status and tag loss in crosses among three populations of freshwater prawn Macrobrachium rosenbergii (de Man) in India

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

Flesh characteristics comprising chemical composition (protein, fat and moisture percentages and pH) as well as a sensory attribute (colour) were measured in 1951 fillet samples from two generations of two populations (a selection line, selected for increased harvest weight, and a control line, s...


Hamzah, A.Nguyen Hong NguyenMekkawy, W.Ponzoni, R.W.Hooi Ling KhawHoong Yip YeeAbu Bakar, K.R.Mohd Nor, S.A.[Flesh characteristics: Estimation of genetic parameters and correlated responses to selection for growth rate in the GIFT strain]Flesh characteristics: Estimation of genetic parameters and correlated responses to selection for growth rate in the GIFT strain

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