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Method for inducing sex reversal of Banhuashe soleidae fishes

A technology of semi-smooth tongue sole and operation method, which is applied to the cultivation of genetically female and physiologically male semi-smooth tongue sole pseudomale fish, fish sex control and all-female seedling cultivation, which can solve the problem of increasing the cost of breeding and affecting the promotion of semi-smooth tongue sole seed breeding industry Problems such as formation and reduction of cultured output of tongue sole

Inactive Publication Date: 2007-07-25
YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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AI Technical Summary

Problems solved by technology

Due to the slow growth of male individuals, the breeding output of tongue sole is reduced and the cost of breeding is increased, which seriously affects the promotion of tongue sole seedlings and the formation of aquaculture industry
So far, there have been no reports at home and abroad on sex reversal and sex control technology in half-smooth tongue sole

Method used

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  • Method for inducing sex reversal of Banhuashe soleidae fishes
  • Method for inducing sex reversal of Banhuashe soleidae fishes

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Embodiment Construction

[0031] Using ecological regulation and technology induction technology to establish a technical method for the genetic reversal of tongue sole, which is true for sex control of tongue sole, breeding of all-female seedlings of tongue-sole, breeding of all-female seedlings, increasing the breeding output of tongue-sole half-smooth, and improving the economic benefits of breeding It has important practical significance and huge economic benefits to develop tongue sole as an excellent cultured species accepted by the majority of farmers, promote the development of tongue sole aquaculture industry and the replacement of marine fish culture species.

[0032] The technical content of the present invention will be described in detail below in conjunction with the accompanying drawings through the embodiment of the "method for inducing sex reversal of semi-smooth tongue sole":

[0033] The technical content of the present invention includes two aspects: 1. a method for temperature-induc...

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Abstract

A method for inducing the sex reversal of half-smooth tongue-sole including temp inducing and hormone inducing is disclosed. Said temp inducing method features that the fry is cultured at 28-32 deg.C for 50-60 days. Said hormone inducing method is characterized by that the fry is immersed in the aqueous solution of methyl testosterone for 50-60 days.

Description

technical field [0001] The technology belongs to the technical field of fish genetics and breeding, and is a new method for cultivating genetically female and physiologically male pseudo-male fish of semi-smooth tongue sole, which can be applied to fish sex control and all-female seedling cultivation. Background technique [0002] Cynoglossus semiliaevis (Cynoglossus semiliaevis) is a rare and valuable seawater fish endemic to my country. It belongs to warm-water demersal fish in coastal waters. It is distributed in coastal areas of my country, mostly in the Yellow Sea and Bohai Sea. Semi-smooth tongue sole is popular with consumers because of its delicious taste, tender meat and rich nutrition. Its market value is extremely high and its breeding prospect is very broad. In recent years, Chinese scientific and technical personnel have conducted a lot of research on the artificial reproduction and reproductive regulation of tongue sole, and in 1993, they broke through the arti...

Claims

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Application Information

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IPC IPC(8): A01K61/00C12N15/00C12Q1/68
CPCY02A40/81
Inventor 陈松林邓思平田永胜沙珍霞王清印庄志猛刘本伟徐建勇邓寒
Owner YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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