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Breeding method for largescale shoveljaw fish fries

A technology for money fish and fry, which is applied to the breeding field of money fish and fry, can solve the problems of high yield and inability to meet the needs of a large number of breeding markets, achieve good economic and social effects, and improve reliability and survival rate.

Inactive Publication Date: 2013-04-17
SHENNONGJIA FOREST DISTRICT CHUYUAN FISHERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Money fish is a precious wild fish species living in the water system at an altitude of 230-800m. Its meat is tender, delicious and not fishy, ​​rich in nutrition and high in medicinal value. The reason is that the money fish in some areas is on the verge of extinction, and many scientific research institutes have started to increase the research on the breeding of money fish, but due to various reasons, the results have been poor, and it is impossible to meet the market needs of mass breeding.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] In the water system at an altitude of 230m in the Shennongjia forest area, money fish species are selected, and the specific breeding methods are as follows:

[0018] 1) Select species of fish: Select sexually mature species of money fish over the age of three, the standard is: strong body shape, good gonad development, that is, male fish with obvious protruding snout, rough body surface, lively temperament, semen flow out when lightly pressed on the abdomen , the female fish has a plump body, a swollen abdomen, and a ruddy genital opening;

[0019] 2) Artificial oxytocin: During the breeding season, inject oxytocin into the breeding fish to induce spawning and ejaculation. The injection method is a thoracic injection, and the injection site is: the base of the pectoral fin is injected at a 40-degree angle;

[0020] 3) Oxygenation management: put the spawned fish after artificial induction into the spawning pond at a ratio of 1:1.5 for female and male, and the stocking ...

Embodiment 2

[0027] In the water system at an altitude of 250m in the Shennongjia forest area, money fish species are selected, and the specific breeding methods are as follows:

[0028] 1) Select species of fish: Select sexually mature species of money fish over the age of three, the standard is: strong body shape, good gonad development, that is, male fish with obvious protruding snout, rough body surface, lively temperament, semen flow out when lightly pressed on the abdomen , the female fish has a plump body, a swollen abdomen, and a ruddy genital opening;

[0029] 2) Artificial oxytocin: During the breeding season, inject oxytocin into the breeding fish to induce spawning and ejaculation. The injection method is a thoracic injection, and the injection site is: the base of the pectoral fin is injected at a 40-degree angle;

[0030] 3) Oxygenation management: Put the breeding fish after artificial induction into the spawning pond at a ratio of 1:1.5 for female and male, and the stocking...

Embodiment 3

[0037] In the Shennongjia forest area at an altitude of 800m, the species of money fish is selected, and the specific breeding methods are as follows:

[0038] 1) Select species of fish: Select sexually mature species of money fish over the age of three, the standard is: strong body shape, good gonad development, that is, male fish with obvious protruding snout, rough body surface, lively temperament, semen flow out when lightly pressed on the abdomen , the female fish has a plump body, a swollen abdomen, and a ruddy genital opening;

[0039] 2) Artificial oxytocin: During the breeding season, inject oxytocin into the breeding fish to induce spawning and ejaculation. The injection method is a thoracic injection, and the injection site is: the base of the pectoral fin is injected at a 40-degree angle;

[0040] 3) Oxygenation management: Put the breeding fish after artificial induction into the spawning pond at a ratio of 1:1.5 for female and male, and the stocking density is: 5...

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PUM

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Abstract

The invention discloses a breeding method for largescale shoveljaw fish fries. The breeding method includes the specific steps: 1) selecting sexually mature parent fishes with more than three years old; 2) serially and seasonally injecting spawning agents to induce spawning and spermiation; 3) placing the parent fishes into a spawning pond according to the proportion of 1:1.5 of hens to milters and controlling water temperature at 19-24 DEG C for spawning management; 4) performing artificial dry fertilization when estrus signs appear; 5) placing fertilized ova into an incubator in a gutter channel for incubation; and 6) gradually dispersing hatched larva fishes to a water surface and transferring the larva fishes into a fry pond to breed the largescale shoveljaw fish fries. Well developed largescale shoveljaw fish fries can be acquired, the operation process is simple and convenient, fertilization rate is high, large-scale breeding of largescale shoveljaw fishes can be ensured, and the breeding method has excellent economic and social benefits.

Description

technical field [0001] The invention relates to a method for breeding fish fry, in particular to a method for breeding money fish fry. Background technique [0002] Money fish is a precious wild fish species living in the water system at an altitude of 230-800m. Its meat is tender, delicious and not fishy, ​​rich in nutrition and high in medicinal value. The reason is that the money fish in some areas is on the verge of extinction, and many scientific research institutes have begun to increase the research on the breeding of money fish, but due to various reasons, the results have been poor, and it is impossible to meet the market needs of mass breeding. Contents of the invention [0003] The object of the present invention is to provide a method for breeding money fish fry, which has the characteristics of simple breeding process and easy operation. [0004] The present invention comprises money fish fingerling, and the adopted technical scheme is: [0005] The spec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 姚楚成
Owner SHENNONGJIA FOREST DISTRICT CHUYUAN FISHERY
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