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A method for in situ fertilized egg proliferation and release suitable for Squid mansoni

A Mansfield needle-free squid, proliferation and release technology, applied in the fields of climate change adaptation, application, fish farming, etc., can solve the problems of stress inkjet death and larval proliferation difficulties, so as to reduce the stress inkjet death, reduce Good effects of wind and waves and spawning

Active Publication Date: 2020-09-08
ZHEJIANG OCEAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Mansoni's needleless squid is one of the four major seafoods in my country. Historically, the output was only 60,000 tons in Zhejiang Province, but the resources have been exhausted since the 1980s, and it is imminent to restore its natural resources. The breakthrough of squid artificial breeding has made it possible to obtain fertilized eggs and artificial seeds in batches. However, due to the technical problems of stress inkjet death in the process of artificial seed proliferation, release, transportation and seed delivery, it is difficult to multiply larvae

Method used

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  • A method for in situ fertilized egg proliferation and release suitable for Squid mansoni
  • A method for in situ fertilized egg proliferation and release suitable for Squid mansoni
  • A method for in situ fertilized egg proliferation and release suitable for Squid mansoni

Examples

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Embodiment 1

[0021] An in situ fertilized egg multiplication and release method suitable for the needleless cuttlefish, using artificial resin as the material, and taking the gorgonian in the natural sea area as the model, to make a fertilized egg collection device; the fertilized egg ovipositor is used for the needleless squid Sea zone cages for cuttlefish. The fertilized eggs are placed in the net cage for multiplication, which effectively protects the squid fertilized eggs from the invasion of other marine organisms during the hatching process. After hatching in the natural sea area, the larvae escape directly from the mesh of the breeding cage, realizing the most natural ecological proliferation.

[0022] Such as Figure 1~5 Shown, the structure of the cage with the fertilized egg egg picker of gorgonian shape is: comprise pile 1, one end is connected with pile 1, and the other end is embedded in the net clothing 5 in seabed 7; There is a collar 2; the net 5 is provided with a floati...

Embodiment 2

[0028] An in situ fertilized egg multiplication and release method suitable for the needleless cuttlefish, using artificial resin as the material, and taking the gorgonian in the natural sea area as the model, to make a fertilized egg collection device; the fertilized egg ovipositor is used for the needleless squid Sea zone cages for cuttlefish.

[0029] Such as Figure 1~5Shown, the structure of the cage with the fertilized egg egg picker of gorgonian shape is: comprise pile 1, one end is connected with pile 1, and the other end is embedded in the net clothing 5 in seabed 7; There is a collar 2; the net 5 is provided with a floating ball 4; the pile 1 and the net 5 are connected by an elastic rope 3, specifically, one end of the elastic rope 3 is connected with the steel rope connected to the floating ball 4, and the other end is connected with the pile 1 The collar 2 on the top is connected; the piles 1 are connected by a traction rope, especially the traction rope is also ...

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Abstract

The invention relates to an in-situ fertilized egg proliferation and releasing method suitable for sepiella maindroni. The method comprises the following steps: using artificial resin as a material and taking gorgonian in a natural sea area as a model to prepare an egg collecting device for fertilized eggs, and applying an ovipositor for fertilized eggs to a sea-area net cage of the sepiella maindroni. The method has the beneficial effects that oviposition of the sepiella maindroni under a natural environment is simulated, and in-situ proliferation is carried out, so that the oxygen loss of the fertilized eggs probably caused by transport to a proliferation and releasing sea area from other places during fertilizer egg proliferation is avoided; and the gorgonian-mode ovipositor is producedby simulating the gorgonian, so that the egg laying rate is higher, and the egg laying effect is better. The fertilized egg collecting device also has an effect of lowering stormy waves, and enablesthe inside of the net cage to be in a stable state, so that the situation of death stress-jet of young sepiella maindroni is greatly reduced, and the survival rate of the young sepiella maindroni is improved. Inner surfaces of irregular concave holes are coated with an antibacterial coating, so that the fertilized eggs can be effectively protected, and the pathological change rate of the fertilized eggs can be reduced.

Description

technical field [0001] The invention relates to the field of squid breeding, in particular to a method for multiplying and releasing fertilized eggs in situ of squid mansoni. Background technique [0002] Mansoni's needleless squid is one of the four major seafoods in my country. Historically, the output was only 60,000 tons in Zhejiang Province, but the resources have been exhausted since the 1980s, and it is imminent to restore its natural resources. The breakthrough of squid artificial breeding has made it possible to obtain fertilized eggs and artificial seeds in batches. However, due to the technical difficulties of stress inkjet death in the process of artificial seed proliferation, release, transportation and seed delivery, it is difficult to multiply larvae. Contents of the invention [0003] The object of the present invention is to provide a kind of culture and multiplication organic combination, and effectively improve the attachment rate of the fertilized eggs o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/00A01K61/17
CPCA01K61/00Y02A40/81
Inventor 吕振明朱科桦龚理刘炳舰刘立芹
Owner ZHEJIANG OCEAN UNIV
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