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A kind of reproduction method of Ussuri whitefish fry

A technology of whitefish and Ussuri, which is applied in the fields of fish farming, application, climate change adaptation, etc. It can solve the problems of no Ussuri whitefish and the inability to promote breeding in a large area, and achieve the effect of easy promotion and low cost

Inactive Publication Date: 2016-11-16
HEILONGJIANG RIVER FISHERY RES INST CHINESE ACADEMY OF FISHERIES SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention is to solve the problem that there is no Ussuri whitefish and cannot be popularized and cultivated in a large area, and provides a method for breeding Ussuri whitefish fry

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment 1: a kind of propagation method of Ussuri whitefish fry is carried out according to the following steps:

[0025] Steps: 1. Select broodstock, and select male and female broodstock according to requirements; 2. Prepare oxytocin drugs; 3. Oxygenate: inject oxytocin drugs to induce labor; 4. Artificial insemination: artificially squeeze eggs, squeeze sperm, and perform dry fertilization to obtain fertilized eggs 5. Hatching: fertilized eggs are placed in the incubator to hatch; details are as follows:

[0026] 1. Select broodstock: From late October to early November, select female broodstock with a body length of more than 41cm, a weight of more than 800g, and red, swollen and protruding genital openings, and female broodstock covered with stars, with a body length of more than 35cm and a weight of more than 600g. For male broodstock, the ratio of female broodstock to male broodstock is 1:1~2, and the selected broodstock is placed in a holding pond, and the wa...

Embodiment 2

[0034] The breeding method of a kind of Ussuri whitefish fry described in Example 1: in the step 1, the parent fishes are respectively female broodstocks whose body length is 41-45cm and body weight is 800-1500g, and the body length of the male fishes is 35-42cm , Male broodstock weighing 600-920g.

Embodiment 3

[0036] A breeding method for Ussuri whitefish fry described in Example 1: the ratio of male and female broodstock in the first step is 1:1.5.

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PUM

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Abstract

The invention discloses a method for reproducing coregonus ussuriensis fish fry. The method for reproducing the coregonus ussuriensis fish fry includes steps of firstly, selecting female and male parent fishes according to requirements; secondly, preparing spawning induction medicine; thirdly, injecting the spawning induction medicine to carry out spawning induction; fourthly, performing artificial fertilization, to be more specific, artificially squeezing roes and sperms, and performing dry fertilization to obtain fertilized roes; fifthly, incubating the fertilized roes in incubators.

Description

technical field [0001] The invention relates to the technical field of aquatic product cultivation. Background technique [0002] Ussuri whitefish ( Coregonus ussuriensis Berg), formerly known as Rabbitfish, Yabasha. Salmonidae, whitefish subfamily, whitefish genus. It is sexually mature in 6-7 years, lays eggs once, is omnivorous, likes to live in cold waters, and is a medium-sized fish. There are two species of whitefish distributed in my country, both of which live in Northeast China and Inner Mongolia. At present, the other species of whitefish has not been seen for many years. Because of its excellent habitat ecological environment, high meat content, few intermuscular spines, and delicious meat, it is very popular among people. The reproductive period is from December to January, eggs are hatched under the ice, and fry are hatched in the spring of the second year. The maximum weight can get 2500 grams. [0003] The main output of Ussuri whitefish is concentrated ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 牟振波徐革锋郝其睿马波刘志国
Owner HEILONGJIANG RIVER FISHERY RES INST CHINESE ACADEMY OF FISHERIES SCI