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A shallow sea seashell breeding method and apparatus with reuse of feces

A breeding method and technology of feces, applied in the field of aquaculture, can solve the problems of not being fully reused, and achieve the effects of slowing down the occurrence of breeding biological diseases, good ecological environment, and slowing down biological sedimentation

Active Publication Date: 2006-01-18
INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, since the manure of shellfish is rich in nutrients and can be reused, it is a good bait for sea cucumbers, but these substances have not been fully reused at present

Method used

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  • A shallow sea seashell breeding method and apparatus with reuse of feces
  • A shallow sea seashell breeding method and apparatus with reuse of feces
  • A shallow sea seashell breeding method and apparatus with reuse of feces

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] like figure 1 As shown, on the basis of the raft culture cage of Chlamys farreri, a large circular chassis is added at the bottom of the cage. The chassis is made of plastic and has a larger diameter than the culture cage. There is a net between the chassis and the bottom of the cage. The breeding cavity enclosed by shape (made of plastic, mesh smaller than the size of sediment-eating animals) is used to place the cultured sediment-eating animal sea cucumbers such as japonicus. Chlamys farreri is usually cultured about 40 per layer, and 2 to 10 sea cucumbers are stocked in the chassis (6 sea cucumbers are stocked in this embodiment).

[0019] In the figure: 1 is a polyethylene material sling, 2 is a polyethylene material cage, 3 is a supporting plate for aquatic organism breeding, 4 is a polyethylene material fixing rope, 5 is a polyethylene material cage at the bottom, and 6 is a breeding chassis .

[0020] By adopting the polyculture mode and device of the present i...

Embodiment 2

[0024] The difference from Example 1 is:

[0025] like figure 2 As shown, in the present embodiment, sea cucumbers are stocked in the chassis, and every other layer of supporting plates 3, the cage 2 of the culture cage is set up with a dense net, and the sea cucumber is cultivated in the layer where the dense net is located and the layer where the chassis is located, and the food biodeposits The purpose of setting up the dense net is to ensure that a considerable part of the feces of shellfish remains in the cage when the seawater velocity is high, so as to reserve sufficient bait for sea cucumbers. The mesh of present embodiment is 5 millimeters (can adopt the simple mode that the net cage is wrapped up with dense net every other layer), 40 clam scallops are cultivated in every layer, 4 sea cucumbers are stocked in the dense net layer, and the chassis 5 are stocked inside, and the culture guides of Chlamys farreri and sea cucumber culture layers are arranged alternately. ...

Embodiment 3

[0028] The difference from Example 1 is:

[0029] like image 3 As shown, in the present embodiment, every other layer of supporting plate 3, the net cage 2 of culture cage is established dense net, cultivates japonicus in it, ingests biological deposits; When it is used, it can ensure that a considerable part of the excrement of the shellfish remains in the cage, so as to reserve sufficient bait for the sea cucumber. The present embodiment mesh is 5 millimeters, and 40 clam scallops are cultivated in every layer, and 4 sea cucumbers are stocked in the dense mesh layer, and the clam scallop culture layer and the sea cucumber culture layer are arranged alternately. Its output value doubled.

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PUM

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Abstract

The invention relates to a cultivation method and apparatus for shadow sea shellfish dejection reutilization, wherein the shadow shellfishes and deposit-feeding animals are cultivated in a mixed manner in segregated regions of a common cage, the apparatus comprises a cage with a bottom disc arranged on the bottom portion, a cultivation chamber enclosed by web-shape articles is formed between the bottom disc and the cage, the commonly used shadow sea shellfish multi-layer cultivation cages can also be employed, each other layer of the cultivation cage is a fine-mesh structure. The method can alleviate the self-contamination in shallow sea shellfish culture.

Description

technical field [0001] The invention relates to aquaculture technology, in particular to a cultivation method and device for reusing excrement of shallow sea shellfish. Background technique [0002] The filter-feeding shellfish that grows in the shallow sea generally adopts raft type culture cage and single-species culture mode, and present known shallow sea shellfish raft type culture cage is to comprise the multi-layer culture cavity structure that is surrounded by mesh, generally 5-10 Each layer of culture chambers is provided with supporting plates with holes, and cultured shellfish are placed in each layer of culture chambers. Because the cultured shellfish produces a large amount of manure rich in organic matter (including a certain proportion of false manure), this biological deposition, coupled with natural deposition, pollutes the cage itself and has a great impact on the shallow sea culture environment, and even leads to ecological pollution. The system is out of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 杨红生周毅刘鹰张涛袁秀堂许信灵张福绥
Owner INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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