Device and method for portunus trituberculatus trotline type single body floating basket cultivation

The invention relates to a technology of swimming crabs three warts and a breeding method, which is applied to the field of longline type single floating basket breeding devices for swimming crabs three warts, and can solve the problems of insufficient dissolved oxygen in the water body, inconvenient removal of residual bait, inability to move the breeding baskets, etc. The effect of dragging, avoiding cannibalism, and improving the survival rate

Active Publication Date: 2014-04-23
NINGBO UNIV
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  • Abstract
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a longline-type monomer floating basket culture device and method for Portunus trituberculatus, which solves the problem of inability to move the culture

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  • Device and method for portunus trituberculatus trotline type single body floating basket cultivation
  • Device and method for portunus trituberculatus trotline type single body floating basket cultivation
  • Device and method for portunus trituberculatus trotline type single body floating basket cultivation

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[0028] Example 1:

[0029] The breeding basket 2 of the longline single floating basket breeding device for Portunus trituberculatus is a plastic basket with grid holes on the walls and bottom of the basket. The size of the breeding basket is 80 cm long x 40 cm wide x 40 cm high. The outside of the breeding basket 2 is covered with a matching foam floating frame 1, the foam floating frame 1 is a closed main body, and the frame of the floating frame has small holes through which the long rope 3 can pass. Two long ropes 3 pass through the small holes on the foam floating frame 1 and the grid holes on the basket wall of the breeding basket 2 to connect the multiple breeding baskets 2 and the foam floating frame 1 outside them in series. A separation net 4 is fixed in the middle of the culture basket 2. The separation net 4 divides the culture basket 2 into two small cells, and each small cell is die-casted with a sand box 5, and the size of the sand box is 25 cm long x 15 cm wide x ...

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Abstract

The invention discloses a device and method for portunus trituberculatus trotline type single body floating basket cultivation. The cultivation device comprises cultivation baskets and foam floating frames, wherein the cultivation baskets are sleeved with the outer portions of the foam floating frames. Every cultivation basket is internally divided into two small grids through a separating net, sand boxes are subject to pressure casting in every small grid, and the cultivation baskets are in series connection through two parallel trotlines. According to the cultivation method, the cultivation baskets are in series connection through the trotlines, and a traction device arranged in a pond drives the trotlines to drive the series connection cultivation baskets to be dragged; a half of a water body of the pond is utilized to perform cultivation, and back-and-forth dragging of the cultivation baskets is facilitated; and the back-and-forth dragging of the cultivation baskets facilitates everyday management work performed by cultivation workers, is also favorable for supplementation of dissolved oxygen in the cultivation water body and facilitates popularization by cultivation users.

Description

technical field [0001] The invention belongs to the technical field of aquaculture, and in particular relates to a longline type single floating basket culture device and method for Portunus trituberculatus. Background technique [0002] Portunus trituberculatus (Portunus trituberculatus) is an important aquaculture economic animal in my country. It is very popular because of its high nutritional value and delicious meat. Portunus trituberculatus single body cage cultivation is a high-yield and efficient cultivation technology, such as a kind of indoor industrialized cultivation method of Portunus trituberculatus disclosed in Chinese patent 201010509928.4. The advantage of this technology is that the cultivation density is much higher than that of traditional cultivation techniques. Individuals are completely isolated, and the survival rate of breeding is high. However, in this technology, the fixed installation of the breeding basket is not conducive to the flow of the wat...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 陈晨母昌考王春琳宋微微李荣华伊祥华戴华伟
Owner NINGBO UNIV
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