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A kind of breeding method of jellyfish vegetative breeding

A breeding method for improved species and asexual reproduction technology, applied in the technical field of rapid breeding of purebred purebred jellyfish families, to achieve the effect of avoiding the separation of long-term process and traits

Active Publication Date: 2016-08-24
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there are no technical inventions and creations related to the selection and breeding of jellyfish varieties at home and abroad.

Method used

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  • A kind of breeding method of jellyfish vegetative breeding

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Effect test

Embodiment 1

[0019] In a season when the natural water temperature is about 20-28 degrees Celsius, in a certain jellyfish breeding pond, select suitable ones from the first batch of adult jellyfish harvested as pro-fishes, requiring their weight to be more than 7.5kg. The color is the most valuable red jellyfish, the individual tissues are intact, the gonads are well developed, and the vitality is strong. The selected jellyfish female and male ratios are well matched, and the production is carried out according to the normal sexual reproduction jellyfish seed cultivation process, and a batch of the above-mentioned polyp larvae offspring with excellent traits are obtained. When this batch of polyp larvae has been cultivated for about one month and grows into normal jellyfish polyp larvae with more than 16 tentacles, randomly select a group of polyp larvae that grow robustly, eat well, have complete tentacles, and have a body length of more than 1 mm. shape larvae. After feeding this batch ...

Embodiment 2

[0025] In the suitable jellyfish fishing season when the natural water temperature is around 20-28 degrees Celsius, among the jellyfish caught at sea, select the right one from the earliest batch of jellyfish caught ashore as the pro-fish, and the weight is required to be more than 10.0kg, and the overall body color is The red jellyfish with the highest value has no incomplete individual tissues, well-developed gonads and strong vitality. The selected jellyfish female and male ratios are well matched, and the production is carried out according to the normal sexual reproduction jellyfish seed cultivation process, and a batch of the above-mentioned polyp larvae offspring with excellent traits are obtained. When this batch of polyp larvae has been cultivated for about one month and grows into normal jellyfish polyp larvae with more than 16 tentacles, select a group of polyp larvae that grow robustly, eat well, have complete tentacles, and have a body length of more than 1 mm. la...

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Abstract

The invention discloses a jellyfish asexual reproduction fine breed breeding method, and belongs to the technical field of marine economy biology breeding. An isogeny scyphistoma family group of jellyfish scyphistoma is established through the asexual podocyst reproduction at the jellyfish scyphistoma stage and the regulation optimization technology of the asexual podocyst reproduction, the breed conservation breeding of the isogeny family group is carried out through the low-temperature scyphistoma breed conservation technology, the isogeny ephyra is obtained through the jellyfish asexual strobilation reproduction and the regulation optimization technology of the jellyfish asexual strobilation reproduction, after the medusa is obtained through breeding, whether the medusa inherits the fine character of the parent or not is checked, the isogeny jellyfish scyphistoma purebred family group corresponding to the group with the fine character inheritance rate of more than 85 percent is selected as a breeding target, the breeding target is determined as the fine breed purebred family of the jellyfish, the breed expanding breeding of the fine breed family group is carried out through the podocyst reproduction regulation optimization technology again, and the large-scale purebred family is obtained and applied to production. The purebred jellyfish fine breed family can be screened out in the first generation and the second generation, and the defect that the long process and character segregation of traditional sexual breeding is overcome.

Description

technical field [0001] The invention belongs to the technical field of marine economic biological breeding, and relates to the improved breeding technology of jellyfish, especially the innovative use and improvement of the asexual reproduction ability of jellyfish's unique podocyte reproduction and transverse fissure reproduction, in order to optimize and promote jellyfish podocyte reproduction, On the basis of transverse reproductive ability and seed conservation technology, the rapid breeding technology of jellyfish purebred purebred family was established for the first time. Background technique [0002] Selective breeding (referred to as selective breeding) is an ancient economic biological breeding technology. Most of the various agricultural economic crops, poultry, and livestock are the result of human ancestors' selection and elimination from generation to generation through a long selection process. Through directional selective breeding, people can specifically bre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 游奎刘心田马彩华马洪钢韩方鑫王绍军
Owner DALIAN UNIV OF TECH
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