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Ice fish incubator

An incubator, silverfish technology, applied in fish farming, climate change adaptation, application and other directions, can solve the problems of low hatching rate of silverfish fertilized eggs, long artificial breeding incubation period, difficult water temperature and water quality control, etc. Hatching rate, low cost, easy operation effect

Inactive Publication Date: 2017-05-24
JIANGSU POLYTECHNIC COLLEGE OF AGRI & FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Purpose of the invention: In order to overcome the deficiencies in the prior art, the present invention provides a whitebait incubator, in which the fertilized eggs of whitebait are placed in a suitable hatching area for whitebait in a natural water body to help them hatch and emerge; It is necessary to change the water frequently, it is difficult to control the water temperature and water quality, and the hatching rate of fertilized eggs of whitebait is low

Method used

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Examples

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Effect test

Embodiment 1

[0025] A silverfish incubator, comprising a support frame 4, a retractable rod 3, a silk screen 5, an operating viewing window 8, an imitation fish nest 6, a fixed anchor 7, a tether 2 and a float 1, and the screen silk 5 is covered on the support frame 4. A hatching chamber with a cavity structure formed on the periphery. An operation viewing window 8 is provided on the sieve silk 5. A zipper is arranged on the operating viewing window 8. The shrinking rod 3 is arranged on the top of the hatching chamber and the bottom end of the shrinking rod 3 is connected to the top of the support frame 4. One end of the tether 2 is connected to the float 1, and the other end is connected to the top of the contraction rod 3; the imitation fish nest 6 is arranged in the cavity at the bottom of the hatching chamber, the fixed anchor 7 is arranged outside the hatching chamber, and the fixed anchor 7 is connected to the hatching chamber The bottom is fixedly connected; the sieve 5 has an apertu...

Embodiment 2

[0029] It is basically the same as Embodiment 1, except that there are 3 operating inspection windows 8, which are evenly distributed on the sieve 5 on the top surface of the hatching chamber; At the bottom of the incubation chamber; the incubation chamber formed by the support frame 4 and the silk screen 5 is an umbrella-shaped cavity structure.

[0030] The whitebait incubator of the present invention is implemented in Mudong Reservoir of Jurong City, so that the hatching rate of fertilized eggs of large whitebait in the reservoir is increased by 36.3%, and the output of large whitebait is increased by 67.4%.

Embodiment 3

[0032] It is basically the same as the embodiment 2, except that the sieve 5 has an aperture of 150 meshes; the hatching chamber formed by the support frame 4 and the sieve 5 has a semicircular cavity structure.

[0033] The whitebait incubator of the present invention is implemented in Mudong Reservoir of Jurong City, so that the hatching rate of fertilized eggs of big whitebait in the reservoir is increased by 41.2%, and the output of big whitebait is increased by 70.3%.

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Abstract

The invention discloses an ice fish incubator. The ice fish incubator comprises a support frame, a shrinkable rod, bolting cloth, an operation visitation window, an imitated fish nest, a mooring anchor, a drawstring and a floater, wherein the bolting cloth covers the periphery of the support frame to form an incubation chamber which has a cavity structure; the operation visitation window is formed in the bolting cloth; a zipper is arranged on the operation visitation window; the shrinkable rod is arranged on the top of the incubation chamber; the bottom end of the shrinkage rod is connected with the top end of the support frame; one end of the drawstring is connected with the floater; the other end of the drawstring is connected with the top end of the shrinkage rod; the imitated fish nest is arranged in a cavity of the bottom of the incubation chamber; and the mooring anchor is arranged outside the incubation chamber and is fixedly connected with the bottom of the incubation chamber. The environment is convenient to control; fertilized eggs cannot be caught and fed on by harmful organisms; the incubation effect of the fertilized eggs can be observed; labor and energy are saved; the environment is not polluted; and the problems that the incubation period of artificial reproduction is long, water needs to be changed frequently, water temperature and water quality are difficult to control, and the incubation rate of the fertilized eggs of ice fish is low are solved.

Description

technical field [0001] The invention relates to the technical field of incubation devices for aquaculture, in particular to a whitebait incubator. Background technique [0002] Whitebait is one of the famous and precious aquatic products in my country, and is known as a treasure on the table. At present, the artificial breeding of domestic whitebait is mostly carried out artificial insemination after the parents are collected, and then the fertilized eggs are directly put into hatch methods such as reservoirs and lakes; the fertilized eggs are hatched into seedlings and transplanted as yet. There are many defects in the existing hatching method: the underwater environment in the water area where fertilized eggs are directly transplanted is not clear, which affects the hatching rate of fertilized eggs; fertilized eggs are easily preyed by predators; the hatching effect of fertilized eggs cannot be directly observed. Contents of the invention [0003] Purpose of the inventi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/17
CPCY02A40/81
Inventor 陈军王煜恒王会聪
Owner JIANGSU POLYTECHNIC COLLEGE OF AGRI & FORESTRY
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