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|b The shortage of animal production and red meat in Egypt is due to the shortage of local production of animal feed, The research problem: The role that can be played by aquaculture to face the availability problems of animal protein in Egypt, Bridging the gap between production and consumption of fish, while maintaining the available water resources. Research objectives: Study the economic efficiency of different methods of aquaculture, leading to the best methods that lead to the economic rational use of economic resources available in Egypt, especially water resources. Study the most important factors effecting the demand on fish in wholesale market (Elobour Market). Summary and recommendations: 1-The relative importance of natural traps decreases with the passage of time, compared to the relative importance of aquaculture of total production during that period. 2-Increasing the relative importance of aquaculture over time, the most important of those ways is fish farming intensive and semi-intensive and cage culture. 3- There is relative stability in fish quantity of imports and exports in Egypt during the study period. 4- It proved of an increase in the available fish consumption quantity (the amount of domestic production + imports – exports). 5- Seasonal monthly fluctuations of prices and the quantities of El pollti (1) which Set out the El obour market during the period (2012 - 2014) shows that the price increases and decreases than average for some months, This is what must be taken in mind when policy policy makers. 6- The Statistical estimation of monthly demand functions for the El pollti (1) Set out to El obour market, is evident that: A-By calculating the price elasticity it is clear that fish is necessary for the consumer, and the consumer demand is inelastic demand. B- There is an negative relationship significant statistically between the price and quantity of El pollti (1) set in El opour market per month, but the quantities that the consumer can be saved from demand for the fish exceedingly low if the price increase, which indicates that fish is necessary and demand is inelastic also. 7- Factors determining the local fish consumption per capita in Egypt during the period (2002 - 2014): There exchanged statistically significant relation between the price of red meat and the amount of per capita consumption of fish, While increased the population is decreasing per capita consumption of fish, The demand consumption rates per capita is almost constant over time, It also individual demand consumption quantities of fish affected by a price of fish or poultry price effects were not significant statistically. 8- Feasibility study for aquaculture intensive and semi intensive compared to the rearing of fish in cages: A-intensive aquaculture: The pay back period of 1.17 years, and (IRR) 53%, (B/C) 1.28. While the semi-intensive aquaculture, The pay back period of 0.68 years, and (IRR) 86%, (B/C) 1.35. - Production efficiencies and economic Aquaculture intensive and semi-intensive indicators: intensive aquaculture production 3000 m3 is about 10 tons per year, producing a ton of fish in this way requires an average of 30 m 3, In contrast, the semi-intensive aquaculture production in one feddan is about 4.5 tons yearly, as well as could be reached to produce a ton of fish in this way requires an average of 933 m 3. B- The results of aquaculture cages: the pay back period 0.2- year period, (B / C) 1.55. - Cage aquaculture production 54 m 3 is about 3 tons yearly, and thus can be reached to produce a ton of fish in this way requires an average of 18 m 3, 9- Savings in water and hard currency as a result of the shift to the production of fish and crustaceans Savings in water and hard currency as a result of the shift to the production of fish and crustaceans locally and using the most economic efficient way: AIt can save about 1.31 billion m3 water from the water consumed in the production of fish transferred fish production from semi-intensive aquaculture to intensive fish aquaculture. B- Can save about 1.357 billion m3 water from the water consumed in the production of fish by transfer fish production by semi-intensive and intensive aquaculture to farming in cages. C- It can be used for farming of fish and crustaceans in salt water cages for the cultivation of varieties and quantities which are imported from abroad, especially shrimp, D- Expansion of fish farming through cages Nile water to meet the needs of the local market of fish of a kind that produce water-Fresh (mainly El pollti) 10-So, aquaculture in cages is the most economically method efficient and in water saving. Depending on the Fisheries Development Authority data, it was concluded that there is an area of about 28 thousand feedan in the sea in Matrouh valid for the expansion of locally fish production. Forecasting the quantities demand for the Egyptian market of fish until 2030: It was concluded that we must be work to provide quantity per month of fish in the Egyptian market, where the fish perishables commodity, and it's quantity supply is the mean determine of the price in the Egyptian market, And the best possible ways to produce this quantity of fish Taking into account the results of Financial Feasibility Studies are aquaculture fish in cages in Nile water and sea water.
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