Ecological breeding method for polyculture of prussian carps, plagiognathops microlepis, silver carps and bighead carps
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A technology for ecological breeding of slender carp, applied in fish farming, application, climate change adaptation and other directions, can solve problems such as the occurrence of silver crucian carp diseases, reduce the survival rate of breeding, etc., to avoid fish diseases and save the cost of fishery medicines. , the effect of increasing economic benefits
Inactive Publication Date: 2017-06-13
FISHERIES SCI RES INST OF JILIN PROVINCE
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[0003] The technical problem to be solved by the present invention: Aiming at the frequent occurrence of gibel crucian carp disease caused by feeding, fish excrement, plankton and epiphytic algae pollution in the breeding water, which reduces the survival rate of culture, a kind of mixed culture of gibel crucian carp with fine scales is provided. The ecological breeding method of pomfret, silver carp and bighead carp can improve the survival rate of gibel carp in ponds
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[0016] The technical scheme in the embodiment of the present invention will be described clearly and completely below, the present invention provides a kind of ecological breeding method of gibel crucian carp, silver carp and bighead carp mixed with gibel carp, improves the survival rate of main gibel carp in the pond, The specific plan is as follows:
[0017] Pond condition: Pond area is 500m 2 ~7000m 2 , the depth of the pond is 3.0m~3.5m;
[0018] Pond disinfection: 14 days before stocking fish fry, drain the pond water, disinfect with quicklime, sprinkle the whole pond, the amount of quicklime is 150g / ㎡;
[0019] Fish fry stocking: After the water injection is completed, put the gibel carp, silver carp and bighead carp into the pond. The size of the gibel carp is 30g / tail to 60g / tail, and the stocking amount is 2600 fish / hm 2 ~3300 tails / hm 2 , the size of the fine-scaled pomfret is 10g / tail to 15g / tail, and the stocking amount is 1500 fish / hm 2 ~2000 tails / hm 2 , th...
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Abstract
The invention provides an ecological breeding method for polyculture of prussian carps, plagiognathops microlepis, silver carps and bighead carps and belongs to the technical field of aquaculture. The method includes the steps that a breeding pond is selected, the pond is disinfected, water is injected into the pond, the prussian carps, the plagiognathops microlepis, the silver carps and the bighead carps are put in the pond according to the stocking size and stocking amount requirements, feeding management is carried out, after fry are put in the pond for 3 days, feed is fed, feeding is carried out 1-2 times every day, after the fishes are fed to establish conditioned reflex, feeding is carried out 3-4 times every day, water spinach is cultivated on a floating bed, the plant distance between the water spinach is 10 cm, the line spacing between the water spinach is 10 cm, and the covering area of the floating bed in the pond is 20% to 30%. Compared with existing prussian carp pond culture, the breeding method that main breeding of the prussian carps and inter breeding of the plagiognathops microlepis, the silver carps and the bighead carps are combined is adopted, the survival rate is increased, fish diseases are avoided, and a large amount of fishery medicine cost is reduced. The water spinach cultivated on the floating bed has the effect of purifying water, and economic benefits are increased.
Description
technical field [0001] The invention belongs to the technical field of aquaculture, and relates to a method for cultivating gibel carp, in particular to an ecological method for cultivating gibel carp, silver carp and bighead carp together. Background technique [0002] Aquaculture is the production activity of breeding, cultivating and harvesting aquatic animals and plants under human control. Gibel carp belongs to Cyprinidae, Cyprinidae and Caruciana in taxonomy. Its body shape is significantly taller and wider than ordinary crucian carp, and its meat content is higher. High, tender and delicious meat, high nutritional value, is a more important economic fish in my country. The biological characteristics of gibel carp require that the water quality of its living environment is fresh, and the water chemical indicators such as dissolved oxygen in the water meet certain standards. In the high-yield production of gibel carp in ponds, a large amount of feed input, residual erbi...
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