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Breeding method of hybrid siniperca chuatsi

A technology for mandarin fish and mandarin fish is applied in the field of seedling cultivation, which can solve the problems of low breeding success rate, serious diseases, poor meat texture and the like

Pending Publication Date: 2018-11-16
ZHENJIANG SHUIZHONGXIAN FISHERY DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Spot mandarin fish is a kind of cold-water fish species, and crocodile mandarin fish is a species of fish in the Yangtze River Basin. Because the attributes of the two species are quite different, it is impossible to raise bar mandarin fish and cock mandarin fish together in the prior art. For mandarin mandarin fish, the breeding process is relatively natural. However, due to the characteristics of its species, artificial breeding will cause serious diseases, low breeding success rate, and poor meat texture.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The breeding method of the hybrid mandarin fish of the present embodiment may further comprise the steps:

[0017] A, the striped mandarin fish and the prickly mouth fish that the selection mature is caught from the wild, two kinds of fishes are put into respectively parent culture pool and cultivate, and culture density is 4 tails / cubic meter, dissolved oxygen 5mg / L; Cultivated at a water temperature of -17°C, the frequency of water circulation and filtration in the cultivation pool is 2-3 times / day, and the frequency of water circulation and filtration in the cultivation pond is 2-3 times / day when the fish is cultivated at a water temperature of 18-20°C ;

[0018] B. After 6 days of cultivation, the two fishes reach the critical point of gonad maturation and inject drugs. The injection volume is 0.1 mg / kg. In vitro fertilization with male fish sperm, during the process of extruding female fish eggs and male fish sperm, the ratio of male fish to female fish is 1:2.

...

Embodiment 2

[0021] The breeding method of the hybrid mandarin fish of the present embodiment may further comprise the steps:

[0022] A, select sexually mature spotted mandarin fish and prickly-mouthed fish fished from the wild, and put the two kinds of fish into respective parental culture ponds to cultivate. The culture density is 5 tails / cubic meter, dissolved oxygen 6mg / L, and spotted mandarin fish at 16°C Cultivate at a certain water temperature, the frequency of water circulation and filtration in the cultivation pool is 2 times / day, and the frequency of water circulation and filtration in the cultivation pond is 3 times / day when the fish is cultivated at a water temperature of 19°C;

[0023] B. After cultivating for 6-8 days, the two fishes reach the critical point of gonad maturation and inject drugs, chorionic gonadotropin, the injection volume is 0.2 mg / kg, the number of drug injections is once, estrus after 7 hours, and the mothers are extruded respectively. In vitro fertilizat...

Embodiment 3

[0027] The breeding method of the hybrid mandarin fish of the present embodiment may further comprise the steps:

[0028] A, select sexually mature spotted mandarin fish and prickly-mouthed fish caught from the wild, and put two kinds of fish into respective parent culture ponds to cultivate, the culture density is 6 tails / cubic meter, dissolved oxygen 8mg / L, and spotted mandarin fish at 17°C Cultivate at a certain water temperature, the frequency of water circulation and filtration in the cultivation pool is 3 times / day, and the frequency of water circulation and filtration in the cultivation pond is 3 times / day when the fish is cultivated at a water temperature of 20°C.

[0029] B. After 8 days of cultivation, the two fishes reach the critical point of gonad maturation, and inject drugs, chorionic gonadotropin, the injection volume is 0.3 mg / kg, and the number of drug injections is one time. After 8 hours of estrus, the female fish eggs are respectively extruded In vitro fer...

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Abstract

The invention discloses a breeding method of hybrid siniperca chuatsi. The method includes the following steps: A, selecting sexual-maturity wild-caught siniperca scherzeri and erythroculter ilishaeformis, separately putting the two fishes into one corresponding parent culture pond, and performing cultivation; B, performing cultivation for 6-8 days, and after the two fishes reach critical points of gonadal maturation, performing medicine injection, wherein a medicine is chorionic gonadotropin, after 6-8 hours, beginning estrus, squeezing out ova of female fishes and sperms of male fishes, andperforming in-vitro fertilization; and C, placing fertilized ova in a hatching pond at water temperature of 16-20 DEG C and dissolved oxygen of 5-6 mg / L, and after 30 hours, performing hatching. According to the above method disclosed by the invention, the two fishes are separately put in one corresponding parent culture pond according to characteristics of the fishes for cultivation, after the cultivation is performed, reasonable medicine injection and fertilization are performed, and finally hatching is completed, so that the two fishes with completely-different original living environmentsare ingeniously and uniformly cultivated, diseases are greatly reduced, a success rate of breeding is improved, and fish texture is improved.

Description

technical field [0001] The invention relates to a breeding method for raising seedlings, in particular to a breeding method for hybrid mandarin fish. Background technique [0002] The spotted mandarin fish is a kind of cold-water fish species, and the squid is a fish species in the Yangtze River Basin. Because the attributes of the two fish species are quite different, it is impossible to raise the spotted mandarin fish and the squid mandarin fish together in the prior art. For mandarin mandarin fish, the breeding process is relatively natural. However, due to the characteristics of its species, artificial breeding will cause serious diseases, low breeding success rate and poor meat texture. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a breeding method for hybrid mandarin fish that can reduce diseases, increase the success rate of breeding and improve the texture of meat. [0004] In order to solve the probl...

Claims

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Application Information

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IPC IPC(8): A01K61/10A01K61/13A01K61/17
CPCA01K61/10A01K61/13A01K61/17Y02A40/81
Inventor 孙爱义解旭东
Owner ZHENJIANG SHUIZHONGXIAN FISHERY DEV
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