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Nasr-Allah, A.M.Kenawy, D.El-Naggar, G.O.Beveridge, MalcolmHeijden, P.G.M. van der[Evaluation of the use of fresh water by four Egyptian farms applying integrated aquaculture – agriculture]Evaluation of the use of fresh water by four Egyptian farms applying integrated aquaculture – agriculture

Dickson, M.Nasr-Allah, A.M.Kenawy, D.Fathi, M.El-Naggar, G.O.Ibrahim, N.[Improving Employment and Income through Development of Egypt’s Aquaculture Sector (IEIDEAS) project]Improving Employment and Income through Development of Egypt’s Aquaculture Sector (IEIDEAS) project

This study was carried out to evaluate the value chain performance of the aquaculture feed sector in Egypt, in terms of value addition, employment and profitability. The strengths and weaknesses of each link of the value chain were assessed and appropriate upgrading, management and development st...


El-Sayed, A.F.M.Dickson, M.W.El-Naggar, G.O.[Value chain analysis of the aquaculture feed sector in Egypt]Value chain analysis of the aquaculture feed sector in Egypt

This study was carried out in order to understand the technical and economic characteristics of different Egyptian Nile tilapia (Oreochromis niloticus) hatchery systems. Hatchery operators at fifty tilapia hatcheries in four governorates were interviewed and four focus group discussions were held...


Nasr-Allah, A.M.Dickson, M.W.Al-Kenawy, D.A.R.Ahmed, M.F.M.El-Naggar, G.O.[Technical characteristics and economic performance of commercial tilapia hatcheries applying different management systems in Egypt]Technical characteristics and economic performance of commercial tilapia hatcheries applying different management systems in Egypt

Many tilapia (Oreochromis spp.) farmers produce all-male populations because of the superior growth rate of males compared to females. To investigate differences in body weight at harvest of males and females among different tilapia strains, we analyzed data from 62,787 individuals collected from...


Lind, C.E.Safari, A.Agyakwah, S.K.Attipoe, F.Y.K.El-Naggar, G.O.Hamzah, A.Hulata, G.Ibrahim, N.A.Khaw, H.L.Nguyen, N.H.Maluwa, A.O.Zaid, M.Zak, T.Ponzoni, R.W.[Differences in sexual size dimorphism among farmed tilapia species and strains undergoing genetic improvement for body weight]Differences in sexual size dimorphism among farmed tilapia species and strains undergoing genetic improvement for body weight
Mohammed, W.O.Shehata, S.M.A.El-Naggar, G.O.Khater, A.M.M.Mahmoud, M.K.[Effect of female weight on reproductive performance of Nile tilapia (Oreochromis niloticus)]Effect of female weight on reproductive performance of Nile tilapia (Oreochromis niloticus)
Nasr-Allah, A.M.Dickson, M.W.Al-Kenawy, D.A.R.Fathi, M.El-Naggar, G.O.Azazy, G.E.Grana, Y. Sh.Diab, A.M.[Value chain analysis of Egyptian fish seed production]Value chain analysis of Egyptian fish seed production

The Abbassa selection line (developed by selective breeding) and the Kafr El Sheikh commercial strain (widely used in Egypt), both Oreochromis niloticus, were compared at two stocking densities (two and four fish m−2). Harvest weight, length, depth, width and head length were recorded. The Abbass...


Ibrahim, A.N.Abou Zaid, M.Y.Hooi Ling KhawEl-Naggar, G.O.Ponzoni, R.W.[Relative performance of two Nile tilapia (Oreochromis niloticus Linnaeus) strains in Egypt: The Abbassa selection line and the Kafr El Sheikh commercial strain]Relative performance of two Nile tilapia (Oreochromis niloticus Linnaeus) strains in Egypt: The Abbassa selection line and the Kafr El Sheikh commercial strain

Egypt's aquaculture production (705,490 tonnes in 2009) is by far the largest of any African country and places it 11th in terms of global aquaculture production. The aquaculture sector in Egypt is now a mature one having developed over a period of more than 30 years, but the financial performanc...


MacFadyen, G.Nasr-Allah, A.M.Al-Kenawy, D.A.R.Mohamed, F.Hebicha, H.Diab, A.Hussein, S.Abou-Zeid, R.M.El-Naggar, G.O.[Value-chain analysis — An assessment methodology to estimate Egyptian aquaculture sector performance]Value-chain analysis — An assessment methodology to estimate Egyptian aquaculture sector performance

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