Four key points for improving the economic efficiency of aquaculture.
First, to improve the traditional farming methods to ensure a balanced listing of fresh aquatic products is to improve the allocation of fish species. The first is based on the requirements of the wheel catcher, winter stocking each year a certain percentage close to the market specifications of fish species, in order to enter the market in the off-season sales of aquatic products; Second, according to the requirements of large varieties to market in small size, small varieties to large-scale listing, Fish stocks of different specifications are stocked; stocks of grass carp, carp and carp are again increased, and stocks of carp, carp, and carp are reduced. The second is to feed food fish. After winter fishing and dry ponds, some of the food fish will be kept in the fingerling pool and will be sold in spring. Although there is a Weight Loss during the winter, the higher selling price is still profitable. The third is double season stocking. Feeding in the pond for two seasons a year, from January to May in the first season, large-size fish are all listed at the end of May or early June. In the second season from June to December, the first-year fish species are kept, and the first-season commercial fish is harvested. Production up to 400-500 kilograms, and higher fish prices, mu profit of up to 1,000 yuan. The fourth is to place a cage in the pond. Fresh fish caught in peacetime will be placed in cages, which can be picked up at any time when prices are high. By adopting a balanced approach to the listing of these kinds of commodity fish, there will be a supply of fresh aquatic products throughout the year with significant economic benefits.
Second, optimize the breeding structure, promote the breeding of famous and new breeds. With the development of aquaculture, the demand for aquatic products from consumers has two major characteristics: first, high quality requirements, and second, changing from seasonal demand to Annual demand. Therefore, market-oriented optimization of aquaculture species structure and promotion of breeding of famous and superior new breeds are important ways to adapt to changes in market supply and demand relations and improve aquaculture benefits. The first is to develop and use existing breeds. The first is some varieties with short growth period, good quality and high market prices. Such as heterotrophic silver crucian carp, Macrobrachium rosenbergii, crab, loach, squid, etc., can be implemented with the main support or with polyculture; followed by a long growth period, the market price volatility of the species, such as yellow peony, wild quail, etc., can be implemented 囤Raise and use the free space behind the houses in front of the house to build standardized cement pools for maintenance and market them in the winter so as to achieve better seasonal differences. The second is the introduction of new breeds. The combination of length and length can be implemented, that is, the species with short breeding period, such as tilapia, stingray, squid, squid, freshwater whitefish, Macrobrachium rosenbergii, etc., should be mixed or raised; The varieties with high market prices and favored by the masses, such as wild pheasants and European oysters, can guide development through local conditions and gradually form scale production.
Third, open up bait resources, reduce production costs Feed costs account for about 70% of the cost of aquaculture, open up bait resources, reduce production costs, is an effective way to improve the economic benefits of aquaculture. The first is grass-fish farming. By making full use of ponds, ponds, and leeches, we can cultivate high-yielding green feedstuffs for fish farming in accordance with local conditions to meet the feeding needs of herbivorous fish in different seasons. The second is the combination of fishery and husbandry. According to the needs of fishery and fertilizer, to maintain appropriate specifications for pig raising and poultry raising, generally 3-5 pigs or 100 chickens per mu of fish ponds, and the integrated management of fish and livestock and fish and poultry will be adopted to solve the problem of fish farming. The use of grassland fertilizers gradually establishes a benign cycle of feed for livestock and poultry, which can increase the output of aquatic products and reduce the cost of grain and greatly increase the comprehensive benefits of farming. The third is to promote feed for fish farming. The compound feed has comprehensive nutrition and high feed conversion rate, which can shorten the breeding cycle and achieve high yield and high efficiency.
IV. Implementation of Integrated Disease Prevention and Control In recent years, explosive fish disease has, to a large extent, constrained the development of aquaculture production. According to the causes of fish diseases, adhere to the principle of prevention, combination of prevention and control, and constant implementation of the principle of comprehensive prevention and control combined with ecological prevention and drug control, to suppress the occurrence of fish diseases, reduce the cost of breeding, and improve the quality of aquatic products. And breeding efficiency has a very important significance. First, early stocking of fish species and feeding of feed, change the past spring release for the winter, so that the fish into the normal growth early to enhance its resistance to disease. The second is scientific feeding, fertilization, so that "four set", that is, timing, positioning, qualitative, quantitative, timely feeding, less Shi, Qin fertilizer, keep water quality fat, live, cool. The third is drug control. Fish species should be strictly disinfected before they are stocked to prevent pathogens from entering the ponds. They should be regularly prevented by drugs during the epidemic season of fish diseases, and Chinese herbal medicines should be used to prevent fish diseases.
First, to improve the traditional farming methods to ensure a balanced listing of fresh aquatic products is to improve the allocation of fish species. The first is based on the requirements of the wheel catcher, winter stocking each year a certain percentage close to the market specifications of fish species, in order to enter the market in the off-season sales of aquatic products; Second, according to the requirements of large varieties to market in small size, small varieties to large-scale listing, Fish stocks of different specifications are stocked; stocks of grass carp, carp and carp are again increased, and stocks of carp, carp, and carp are reduced. The second is to feed food fish. After winter fishing and dry ponds, some of the food fish will be kept in the fingerling pool and will be sold in spring. Although there is a Weight Loss during the winter, the higher selling price is still profitable. The third is double season stocking. Feeding in the pond for two seasons a year, from January to May in the first season, large-size fish are all listed at the end of May or early June. In the second season from June to December, the first-year fish species are kept, and the first-season commercial fish is harvested. Production up to 400-500 kilograms, and higher fish prices, mu profit of up to 1,000 yuan. The fourth is to place a cage in the pond. Fresh fish caught in peacetime will be placed in cages, which can be picked up at any time when prices are high. By adopting a balanced approach to the listing of these kinds of commodity fish, there will be a supply of fresh aquatic products throughout the year with significant economic benefits.
Second, optimize the breeding structure, promote the breeding of famous and new breeds. With the development of aquaculture, the demand for aquatic products from consumers has two major characteristics: first, high quality requirements, and second, changing from seasonal demand to Annual demand. Therefore, market-oriented optimization of aquaculture species structure and promotion of breeding of famous and superior new breeds are important ways to adapt to changes in market supply and demand relations and improve aquaculture benefits. The first is to develop and use existing breeds. The first is some varieties with short growth period, good quality and high market prices. Such as heterotrophic silver crucian carp, Macrobrachium rosenbergii, crab, loach, squid, etc., can be implemented with the main support or with polyculture; followed by a long growth period, the market price volatility of the species, such as yellow peony, wild quail, etc., can be implemented 囤Raise and use the free space behind the houses in front of the house to build standardized cement pools for maintenance and market them in the winter so as to achieve better seasonal differences. The second is the introduction of new breeds. The combination of length and length can be implemented, that is, the species with short breeding period, such as tilapia, stingray, squid, squid, freshwater whitefish, Macrobrachium rosenbergii, etc., should be mixed or raised; The varieties with high market prices and favored by the masses, such as wild pheasants and European oysters, can guide development through local conditions and gradually form scale production.
Third, open up bait resources, reduce production costs Feed costs account for about 70% of the cost of aquaculture, open up bait resources, reduce production costs, is an effective way to improve the economic benefits of aquaculture. The first is grass-fish farming. By making full use of ponds, ponds, and leeches, we can cultivate high-yielding green feedstuffs for fish farming in accordance with local conditions to meet the feeding needs of herbivorous fish in different seasons. The second is the combination of fishery and husbandry. According to the needs of fishery and fertilizer, to maintain appropriate specifications for pig raising and poultry raising, generally 3-5 pigs or 100 chickens per mu of fish ponds, and the integrated management of fish and livestock and fish and poultry will be adopted to solve the problem of fish farming. The use of grassland fertilizers gradually establishes a benign cycle of feed for livestock and poultry, which can increase the output of aquatic products and reduce the cost of grain and greatly increase the comprehensive benefits of farming. The third is to promote feed for fish farming. The compound feed has comprehensive nutrition and high feed conversion rate, which can shorten the breeding cycle and achieve high yield and high efficiency.
IV. Implementation of Integrated Disease Prevention and Control In recent years, explosive fish disease has, to a large extent, constrained the development of aquaculture production. According to the causes of fish diseases, adhere to the principle of prevention, combination of prevention and control, and constant implementation of the principle of comprehensive prevention and control combined with ecological prevention and drug control, to suppress the occurrence of fish diseases, reduce the cost of breeding, and improve the quality of aquatic products. And breeding efficiency has a very important significance. First, early stocking of fish species and feeding of feed, change the past spring release for the winter, so that the fish into the normal growth early to enhance its resistance to disease. The second is scientific feeding, fertilization, so that "four set", that is, timing, positioning, qualitative, quantitative, timely feeding, less Shi, Qin fertilizer, keep water quality fat, live, cool. The third is drug control. Fish species should be strictly disinfected before they are stocked to prevent pathogens from entering the ponds. They should be regularly prevented by drugs during the epidemic season of fish diseases, and Chinese herbal medicines should be used to prevent fish diseases.
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