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Comparative analysis of the environmental costs of fish farming and crop production in arid areas
Type: Conference Paper
Using published data, 20 crop and 19 fish production systems were compared for efficiency of water and nutrient (nitrogen) use. In agriculture, rain-fed cassava was most efficient, followed by rain-fed beans, pivot-irrigated ...
Enhancing fish farm productivity through improved management. A case study in Egypt
Type: Conference Paper
During a 3-week training program held during 1999 on field application for fish culture technology in Egypt, it was noticed that a significant enhancement in pond productivity could be achieved mainly through improved pond ...
Effect of Photoperiod, Dietary Protein and Temperature on Reproduction in Nile Tilapia (Oreochromis niloticus)
Type: Conference Paper
Photoperiod, crude protein level and water temperature were studied for their effects on reproductive performance and egg hatchability in Nile tilapia (Oreochromis niloticus).
The assessment of mycotic settlement of freshwater fishes in Egypt
Type: Conference Paper
The objectives of this study are to determine the types of fungal pathogens affecting freshwater fish especially those causing high mortality rates, elucidate the incidence and distribution of such pathogens in Oreochromis ...