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A soft-shell crab production pond with automatic soft-shell crab collection function

An automatic collection and soft-shell crab technology, applied in fish farming, animal husbandry, fishing, etc., can solve the problems of high labor intensity and high labor cost, and achieve the effect of facilitating promotion, reducing production costs or labor intensity of workers

Active Publication Date: 2019-07-05
MARINE FISHERIES RES INST OF ZHEJIANG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, soft-shell crab production mostly uses crab cages or crab boxes to breed subadult crabs, and the collection of soft-shell crabs must be controlled within 2 hours after shelling, so it is necessary to manually carry out 24-hour continuous " Tracking", labor-intensive, high labor costs

Method used

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  • A soft-shell crab production pond with automatic soft-shell crab collection function
  • A soft-shell crab production pond with automatic soft-shell crab collection function
  • A soft-shell crab production pond with automatic soft-shell crab collection function

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Embodiment Construction

[0023] Taking Portunus trituberculatus as an example below, the present invention will be further described in conjunction with the accompanying drawings.

[0024] Portunus trituberculatus is one of the important seawater economic crabs in my country, and is widely favored by consumers. August-September of each year is the fishing period of Portunus trituberculatus, which is also the peak season for reproductive moulting of wild Portunus. A considerable proportion of Portunus caught by fishermen are crabs that have not yet completed reproductive moulting, that is, subadult crabs. And the market price of this part of crabs is very low, therefore with sea catching swimming crabs as raw material, adopting the method of the present invention to produce swimming crabs can produce good economic benefits.

[0025] The molt cycle of Portunus trituberculatus is described in detail in the article "Stages of the Molt Cycle of Portunus trituberculatus" (Shen Jie). stage, D1 sub-stage, D2...

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Abstract

The invention discloses a soft shell crab production pool having a soft shell crab automatic collection function, which is used for reducing workers required by soft shell crab production so as to reduce the cost. The soft shell crab production pool include a water pool; two ends of the bottom of the water pool are inclined; a sieve plate capable of doing reciprocating slide between the two ends of the water pool is arranged in the water pool; a plurality of sieve holes are formed in the sieve plate, the size of the sieve holes 5 is greater than that of crabs which are just input and is less than that of exuviated crabs; and a clearance between a side edge of the sieve plate and a side wall of the water pool and a clearance between a bottom edge of the sieve plate and the bottom of the water pool are less than 1cm. exuviated soft shell crabs having a large size are caught out of the water pool through the sieve plate, workers do not have to stare at soft shell crabs, the production cost and the working load of the workers can be reduced and lowered, and promotion of soft shell crab production is facilitated.

Description

technical field [0001] The invention relates to the field of aquaculture, in particular to a soft-shell crab production pond with the function of automatically collecting soft-shell crabs. Background technique [0002] Crabs belong to crustaceans and rely on the process of molting to achieve morphological growth. The new shell of crabs is soft in a certain environment and time, commonly known as soft-shell crabs. Because crabs shed their old gills, food sacs, and viscera when they moult, soft-shell crabs are very clean and can be eaten all over the body, and the meat is tender and soft. Nutrients such as red pigment, chitin, and chitosan are excellent aquatic products. As a result, soft-shell crabs are often five times more expensive than hard-shell crabs and are in short supply in the market. [0003] At present, soft-shell crab production mostly uses crab cages or crab boxes to breed subadult crabs, and the collection of soft-shell crabs must be controlled within 2 hours...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K63/00A01K73/12
CPCA01K63/003A01K73/12
Inventor 何杰许文军谢建军王庚申施慧汪玮
Owner MARINE FISHERIES RES INST OF ZHEJIANG
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