Block type ecological pond breeding and seedling raising equipment and method

A nursery equipment and ecological imitation technology, applied in the field of natural breeding efficiency of rare fish, can solve the problems of restricting industrial development, reducing stress response, and large loss of broodstock, etc., to achieve enhanced prenatal cultivation, high spawning rate, and strong induction Effect

Pending Publication Date: 2018-12-28
SUZHOU FISHSEEDS BIOLOGICAL TECH CO LTD
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AI Technical Summary

Problems solved by technology

[0006] Technical problem: In order to solve the problems of large loss of broodstock in the existing "artificial induced spawning" technology, complex technology, high work intensity, long cycle of "artificially induced natural spawning", low breeding efficiency, high cost, and restricting industrial development, the present invention According to the specificity and biological characteristics of broodstock, fertilized eggs and fry to the ecological environment, and the principle of high-density seedli

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  • Block type ecological pond breeding and seedling raising equipment and method

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Embodiment 1

[0034] Block-type imitation ecological pond breeding and seedling equipment, see figure 1 , the pond is divided into sequentially connected breeding block 1, hatching block 2 and nursery block 3, aeration device 4 is set in the pond; a first grid is arranged between the breeding block 1 and hatching block 2 Frame 5, a second grid frame 6 is arranged between the hatching block 2 and the seedling raising block 3 . The first grid frame 5 and the second grid frame 6 are 5-40 mesh grid frames.

[0035] The aeration device 4 includes an air pump 41 connected in sequence, an air pipe 42, a group of nano air stones or an air row 43, and the group of nano air stones or an air row 43 is arranged on the breeding block 1, the hatching block 2 and the In the seedling raising block 3; in the present invention, the air pump 41 is a turbo air pump.

[0036] Also include the first water pump 21, the first net box 22 and the first sunshade device 23, the first net box 22 is arranged on the ha...

Embodiment 2

[0053] Example 2 Natural reproduction and nursery of American mandarin fish in a block-type imitation ecosystem.

[0054] American silver mandarin fish (Pomoxis nigromaculatus), referred to as silver mandarin fish for short, is an important freshwater fish for sport fishing in the United States. It was introduced to China at the end of the last century. The silver mandarin fish lays eggs in the pit, and the male fish protects the eggs. The production of silver mandarin fish by traditional natural spawning method is relatively low, resulting in a serious shortage of fry and restricting the development of the industry.

[0055] The main reason for the low reproductive efficiency of silver mandarin fish is due to its special biological characteristics. It is a carnivorous fish that spawns multiple times. It has small gonads and a limited number of eggs at one time. In addition, it has a large stress response, low efficiency of artificial induced spawning, and large damage. There...

Embodiment 3

[0062] Example 3: Natural reproduction and nursery of barramundi in a block-type imitation ecosystem.

[0063] Barramundi (Lates calcarifer) is a carnivorous fish that is distributed in Southeast Asia, North Australia and the western Pacific coast. The individual is large, the meat is delicious, and it is deeply loved by the precious seafood markets in Europe and America. Barramundi was introduced to China in the 1970s and has been favored by farmers in Hainan, Guangdong, Fujian and other places. This is because it not only grows faster and has a high yield, but also has a wide-salt characteristic, which is suitable for use in seawater and freshwater. Breeding has broad prospects for inland and coastal breeding promotion. However, the yield of artificial propagation of barramundi is low, and seedlings need to be imported in large quantities, which restricts the development of barramundi aquaculture industry.

[0064] The main difficulty of artificial breeding of barramundi l...

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Abstract

The invention provides block type ecological pond breeding and seedling raising equipment. A pond is divided into a breeding block, an incubation block and a seedling raising block which are connectedin sequence, and an aerating apparatus is arranged in the pond; a first grid frame is arranged between the breeding block and the incubation block, a second grid frame is arranged between the incubation block and the seedling raising block, and air outlets of the aerating apparatus are arranged in the breeding block, the incubation block and the seedling raising block. The invention further provides a block type ecological pond breeding and seedling raising equipment. The pond is divided into the three functional blocks specific in ecological environment, the block functions are optimized, para-ecological conditions of gonad in natural development and maturation, natural spawning, hatching and seedling are accurately met, and the spawning rate, hatching rate and seedling rate are significantly increased; the three blocks are integrated orderly and automatically through small and large cycles and finally integrated into a one-way circulation water high-density seedling system, and breeding and seedling raising efficiency is comprehensively improved.

Description

technical field [0001] The invention belongs to the technical field of aquaculture, and relates to a method for dividing a pond into functional blocks and dividing it into breeding blocks, hatching blocks and seedling raising blocks, so as to improve the natural breeding of fish, especially rare fish with strong stress response. efficient method. Background technique [0002] At present, the artificial breeding of fish is mainly carried out by the method of "artificial induction", that is, the parent fish with mature gonads are injected with artificial hormones to induce labor or ripening, and the fertilized eggs obtained by artificial insemination are hatched in the incubation equipment, and then moved into the nursery pond for cultivation. The conventional "artificial induced labor" breeding method is technically complex. Since it is impossible to accurately judge the maturity of gonad development, it is necessary to reserve a large number of broodstock and perform multipl...

Claims

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Application Information

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IPC IPC(8): A01K63/00A01K61/17A01K61/10A01K63/04
CPCA01K61/10A01K61/17A01K63/003A01K63/042A01K63/047Y02A40/81
Inventor 刘青华须藤直美孟涵
Owner SUZHOU FISHSEEDS BIOLOGICAL TECH CO LTD
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