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An ecology breeding method for shallow sea seashell

An ecological breeding and shellfish technology, applied in the field of aquaculture, can solve the problem of not considering the full reuse of sediment pollutants rich in organic matter, and achieve the effects of reducing self-pollution, reducing pollution and optimizing the growth environment

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

It can be seen that the current raft culture cages used by people do not consider the pollution of the sediment rich in organic matter to the culture environment and the full reuse of these substances

Method used

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  • An ecology breeding method for shallow sea seashell

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Effect test

Embodiment 1

[0014] Adopt generally used raft type culture cage (mesh is 1.2cm) in the prior art, the scallop and the sea cucumber are mixed cultured, promptly each layer of the culture cage is except the cultured scallop, also puts the sea cucumber in a suitable place to breed. For example, about 40 scallops are usually cultured per layer, and 2 to 5 sea cucumbers are stocked per layer (in this embodiment, 40 scallops are cultured per layer, and 3 sea cucumbers are stocked per layer), and the test site is in Qingdao. The breeding sea area near Xuejia Island. In the breeding process, as a sediment-feeding animal, sea cucumbers can effectively use sediments (including bacteria in them, benthic microalgae attached to the surface, and various organic debris or larvae from macroalgae and other organisms), and play a role To the role of "scavenger". At the same time, the excretion of sea cucumbers (nutrients such as ammonia phosphorus) accelerates the recycling of N and P nutrients, promotes t...

Embodiment 2

[0018] The difference between this embodiment and embodiment 1 is:

[0019] like figure 1 As shown, in the breeding cage (mesh is 1.5cm), the netting around each layer of plastic discs in the breeding cage is a dense net with a width of 4 cm (3 cm above the plastic disc and 1 cm below), and its mesh is 1 mm. Oysters and sea cucumbers are mixed in slightly modified cages. Generally, 10-15 oysters are cultured per layer, and 4-8 sea cucumbers are stocked per layer. Or, the present embodiment adopts 60 mesh sieves with a width of 4 cm to wrap the commonly used culture cages along each layer of plastic discs, and in such slightly modified culture cages, 12 oysters are cultivated in each layer. Stocking 3 sea cucumbers.

[0020] In the figure: 1 is a polyethylene material sling, 2 is a polyethylene material cage, 3 is a plastic plate, and 4 is a dense mesh netting, the mesh is 1 mm (can be below 1 mm), and the width is 4 cm (the plastic plate 3 cm above and 1 cm below).

[002...

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Abstract

The invention relates to an ecological cultivation method for shadow sea shells which comprises, carrying out mixed cultivation between filter-feeding shells (including scallop and oyster) and deposit-feeding animals (such as Oplopanax elatus) in the same layer of the commonly used raft-type cultivation cages. 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 an ecological cultivation method for shallow sea shellfish. Background technique [0002] At present, coastal filter-feeding shellfish (such as scallops, oysters, etc.) in my country are generally raised in raft-type cages with large scale and high density, and the output is also the first in the world. However, these shellfish generally adopt a single species culture method. [0003] Presently known raft type culture cage is a multi-layer cylindrical mesh cage. This cage is generally made of a circular plastic dish with a diameter of 30 centimeters or 34 centimeters (a number of holes with a diameter of 1 centimeter are drilled on the dish) and a polyethylene mesh with a mesh size of 1-2.5 centimeters. Each net cage is 8-10 layers, and shellfish (such as about 40 scallops) is placed on the plastic tray of each layer. Because the cultured shellfish produces a large amount of feces (inc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 周毅杨红生张涛刘鹰刘石林许信灵张福绥
Owner INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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