Vulgaris half-isolated mariculture cages and farming method

A seawater farming, semi-isolated technology, applied in fish farming, application, climate change adaptation, etc., can solve the problems of accumulation of bait and dead fry, easy to pollute the real octopus breeding environment, etc., to prevent fish fry from falling off the net, avoid damage, increase The effect of large-scale farming

Active Publication Date: 2014-02-26
ZHEJIANG OCEAN UNIV
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Problems solved by technology

At the same time, the bottom of ordinary breeding net cages is a fully enclosed structure, which is l...

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  • Vulgaris half-isolated mariculture cages and farming method
  • Vulgaris half-isolated mariculture cages and farming method
  • Vulgaris half-isolated mariculture cages and farming method

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Embodiment Construction

[0037] The present invention will be further elaborated below in conjunction with accompanying drawing and embodiment:

[0038] Such as figure 1 with 2 Shown is the embodiment of the cultivation device of the present invention, the structure of the net cage for octopus cultivation: comprising a casing, a frame, a float and a mooring device, the outside of the casing is provided with four layers of net clothing 3, and the four layers of net clothing 3 are sequentially from inside to outside It is the nets in the fishing period, the growth period nets, the benthic period nets, and the planktonic period nets, and the mesh size decreases in turn. The mesh size of the netting in the planktonic stage is 3mm×1mm, the mesh size of the netting in the benthic stage is 15mm×15mm, the mesh size of the netting in the growing stage is 9mm×95mm, and the mesh size of the netting in the fishing stage is 30mm ×30mm. Each net clothing 3 upper mouth end is provided with the net mouth 9 of pock...

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Abstract

The invention puts forward a vulgaris half-isolated mariculture cages and farming method. The vulgaris half-isolated mariculture cages and farming method achieves vulgaris mode in half-isolated and the phenomenon that the vulgaris is easy to cause cannibalism in traditional culture cages is overcame, and the survival rate of the vulgaris is seriously influenced. The invention completes the cultivation of the vulgaris, by going through selection of breading area, setting of cages, capture of vulgaris offspring seed, development of management, release of bait and acquirement of harvest the processes, among which the container body has semi-closed structure making use of the constructure of the cages and is composed of a mesh enclosure and a attachment plaque. Net layer that is composed of different mesh size is equipped on the external rim and artificial vulgaris in a honeycomb structure configuration is equipped on the surface of the attachment plaque and a isolated panel is equipped on the external rim. The invention has the advantages that vulgaris half-isolated mariculture mode is achieved, the rate of cannibalism is lowered and the survival rate of the vulgaris is improved.

Description

technical field [0001] The invention proposes a device and a cultivation method for cultivating octopuses in seawater in a culture cage in the field of aquatic animal cultivation. Background technique [0002] The true octopus belongs to the phylum Molluscs, Cephalopoda, Octarchida, Octopidae, Octopus genus, commonly known as octopus, octopus, is a warm-water species, and is a common species in the world. Sandy mud bottoms and rocky seas in temperate zones such as the Mediterranean Sea are widely distributed. They are important economic octopuses in the coastal waters of Fujian and Guangdong seas in China. Their meat is tender, nutritious and delicious. In recent years, due to overfishing and changes in the ecological environment, natural resources have become less and less, while the demand for cephalopods in market consumption has increased year by year, and the relationship between supply and demand is seriously unbalanced. As a result, octopus farming has received widesp...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 吴常文周雷文
Owner ZHEJIANG OCEAN UNIV
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