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

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

Active Publication Date: 2015-07-22
NINGBO UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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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 basket, insufficient dissolved oxygen in the water body, and difficulty in feeding and removing residual bait in the prior art. Convenience and other technical defects, so as to make up for the deficiencies in the existing technology

Method used

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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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Embodiment 1

[0029] The cultivation basket 2 of Portunus trituberculatus longline type monomer floating basket cultivation device is a plastic basket with grid holes around the basket wall and the bottom of the basket, and the cultivation basket specification is 80cm in length * 40cm in width * 40cm in height. The outside of the culture 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 an aperture that can pass through the longline 3. Two long lines 3 pass through the aperture on the foam floating frame 1 and the grid hole of the culture basket 2 basket walls to connect a plurality of culture baskets 2 and the foam floating frame 1 outside thereof in series. A dividing net 4 is fixed at the middle position inside the breeding basket 2, and the dividing net 4 divides the breeding basket 2 into two small cells, and a sand box 5 is die-cast in each small cell, and the sand box specification is 25 ...

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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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Patent Type & Authority Patents(China)
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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