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Cold water fish fry factory breeding method

A cold-water fish, industrialized technology, applied in the field of aquaculture, can solve problems such as unsatisfactory effects

Inactive Publication Date: 2018-09-04
TIANJIN AGRICULTURE COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims at the technical defects of the prior art, and provides a cold-water fish factory seedling raising method to solve the technical problem that the conventional seedling raising method of cold-water fish in the prior art is unsatisfactory

Method used

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  • Cold water fish fry factory breeding method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A kind of cold-water fish industrialized nursery method:

[0032] 1. Incubation equipment

[0033] The plastic hatching basket is placed in the fiberglass tank for incubation. The glass tank is 2m long, 50cm high, and has a water hole at one end; the hatching frame is 45cm long, 35cm wide, and 25cm high. The bottom and sides are neatly arranged with diameters less than 2mm. round hole. Place 1-2,000 grains of eye eggs in each hatching frame, and float the hatching frame in the hatching tank with an iron frame, so that it is advisable to make the upper edge of the hatching frame protrude 2-3cm from the water surface. Set 4 air-filled stones in the hatching tank, and the density of the air stones is 60-80 mesh. Disinfection of breeding tanks: Soak in 0.5ppm povidone-iodine for 24 hours, wash with clean water, and reach the standard for eye eggs entering the pool.

[0034] 2. Water for hatching

[0035] Sufficient dissolved oxygen is required, and the dissolved oxygen ...

Embodiment 2

[0044] A cold-water fish factory nursery method, the method uses an integrated hatching device;

[0045] The integrated incubator such as figure 1 As shown, it includes FRP tank 1, water outlet 2, water inlet 3, metal frame 4, hatching frame 5, air stone 6, and gas-filled tube 7, wherein FRP tank 1 is in the shape of a cuboid, and water outlet 2 is located on one side of FRP tank 1 On the wall, the water inlet 3 is located on the other side wall of the FRP tank 1, the side wall where the water outlet 2 is located and the side wall where the water inlet 3 is located are parallel to each other, and the metal frame 4 is fixedly connected to the inner wall of the FRP tank 1, The glass fiber reinforced plastic tank 1 is filled with water, and the hatch frame 5 is placed on the metal frame 4. The hatch frame 5 is in the shape of a cuboid. The upper surface of the hatch frame 5 is 2 cm higher than the water surface in the glass fiber reinforced plastic tank 1. There are several thro...

Embodiment 3

[0060] A cold-water fish factory nursery method, the method uses an integrated hatching device;

[0061] The integrated hatching device includes a fiberglass tank 1, a water outlet 2, a water inlet 3, a metal frame 4, an incubation frame 5, an air stone 6, and an inflatable tube 7, wherein the fiberglass tank 1 is in the shape of a cuboid, and the water outlet 2 is located in the fiberglass tank 1 On one side wall, the water inlet 3 is located on the other side wall of the FRP tank 1, the side wall where the water outlet 2 is located is parallel to the side wall where the water inlet 3 is located, and the metal frame 4 is fixedly connected to the side wall of the FRP tank 1 On the inner wall, water is filled in the fiberglass tank 1, and the hatching frame 5 is placed on the metal frame 4. The hatching frame 5 is in the shape of a cuboid, and the upper end surface of the hatching frame 5 is 3 cm higher than the water surface in the fiberglass tank 1. There are several through ...

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Abstract

The invention provides a cold water fish fry factory breeding method. The technical scheme is implemented relying on a specific incubation device. According to the specific incubation device, a cuboidglass fiber reinforced plastic tank serves as the body, a porous incubation frame serving as the incubation place is arranged in the incubation device, a metal frame, gas stone, a water inlet, a water outlet and other modules are arranged in the incubation device and are used for placing the incubation frame, ensuring the oxygen dissolution and realizing water flow circulation and the like respectively. On the basis, the fry breeding method suitable for cold water fish is designed on the basis of experimental means; in the method, the fish fry incubation conditions and juvenile fish breedingmode are comprehensively optimized, and a mature breeding strategy is formed on the aspects of temperate, water quality, illumination, breeding time, breeding density, feeding, sanitation and the like. Cold water fish fry is bred through the method, the survival rate and physique of the fish fry can be effectively improved, and the method has extreme popularization prospects.

Description

technical field [0001] The invention relates to the technical field of fish farming, and further relates to fish fry technology, in particular to a method for industrialized seedling raising of cold-water fish. Background technique [0002] Cold-water fish is a broad classification of fish, mainly referring to fish species that have a low optimum growth temperature and are difficult to survive above 20°C. There are many varieties of cold-water fish in my country and they are widely distributed. The distribution range of wild cold-water fish in the country includes the middle reaches of Heilongjiang, the lower reaches of Songhua River, the Wusuli River basin, the waters of Yining, Suiding, and Mibuqar in Xinjiang, and the Irtysh River in Xinjiang. , Brentuo Sea, Bosten Lake and other waters. However, due to factors such as river damming, environmental pollution, and overfishing, the resources of cold-water fish are shrinking, and artificial breeding is urgently required to ch...

Claims

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Application Information

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IPC IPC(8): A01K61/17
CPCA01K61/17Y02A40/81
Inventor 陈成勋郭永军邢克智孙学亮方珍珍梁健宋绍奎石洪玥
Owner TIANJIN AGRICULTURE COLLEGE
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