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Industrialized hybrid fry breeding method for saladfish and lanceolatus

A technology for saddle grouper and moire grouper, applied in fish farming, climate change adaptation, application, etc., can solve problems such as slow growth, distress, difficult artificial reproduction technology, etc., and achieve improved survival rate Effect

Inactive Publication Date: 2015-12-09
莱州明波水产有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The grouper aquaculture industry still has bottlenecks that plague the development of the industry, mainly in the difficulty of artificial reproduction technology, high seed deformity rate and slow growth rate, etc.

Method used

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Embodiment Construction

[0020] Further illustrate the present invention below in conjunction with specific embodiment:

[0021] 1. Parent selection

[0022] The selection of good parents is the basis and key to the realization of hybrid seedling technology. Generally speaking, as the male parent of moire grouper, it is required to select healthy, normal body and virus-free males over 6 years old. Brown-spotted grouper is used as the female parent. Generally, female fish over 4 years old, with beautiful body color, normal body shape and no virus carrier are selected.

[0023] 2. Parental cultivation

[0024] The male and female parents were placed in different breeding ponds. The size of the breeding pond was 6m×6m×3m, in which 5-10 male fish were stocked in each pond, and 100-150 female fish were stocked in each pond; 26°C (different temperature requirements in different periods), saddle grouper breeding water temperature is maintained at 25-30°C (different temperature requirements in different per...

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Abstract

The invention discloses an industrialized hybrid fry breeding method for saladfish and lanceolatus. Female parents of the saladfish and male parents of the lanceolatus are selected; the female parents and the male parents are placed in different breeding ponds; the breeding water temperature of the saladfish is kept between 20 DEG C and 26 DEG C, and the breeding water temperature of the lanceolatus is kept between 25 DEG C and 30 DEG C; through sperm ultralow-temperature cryopreservation and female parent spawning induction, ultralow-temperature cryopreservation is carried out on sperms of the lanceolatus, the sperms are added to freezing diluent according to the volume ratio of the sperms to the freezing diluent of 1 to 1, and the sperms and the freezing diluent are placed in liquid nitrogen to be stored for use; female fishes with obviously expanding abdomens and ovaries developing to the period IV are selected to be bred in the breeding ponds, water temperature is maintained between 22 DEG C and 24 DEG C, medicine injection is carried out on female epinephelus fuscoguttatus for spawning induction, and finally artificial insemination is carried out. Through hybridization of the saladfish and the lanceolatus, interspecies cross species are obtained. Germ cells are safely disinfected, and bacteria and virosis are prevented from being vertically propagated to fry from the germ cells.

Description

technical field [0001] The invention relates to a method for industrialized hybrid seedling raising of moire grouper and saddle grouper. Background technique [0002] Grouper is an important aquaculture species in my country, with a breeding output of 80,000 tons and an annual output value of more than 10 billion yuan. Since the Olympic Games in 2008, the market has gradually extended from the south of my country to the north, and it has become a famous dish on the table, with a broad market prospect. [0003] Moire Grouper ( Epinephelusmoara ), commonly known as oil spots, are mainly distributed in the coastal waters of Japan, South Korea, and China. The fish has delicious meat, strong disease resistance, and high survival rate. It is not only favored by the domestic market, but also exported to Japan and South Korea. Saddle banded grouper ( Epinephelus lanceolatus ), commonly known as gentian grouper, also known as giant grouper, is a warm-water marine bottom fish...

Claims

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Application Information

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IPC IPC(8): A01K61/00A01K61/10
CPCA01K61/00Y02A40/81
Inventor 武鹏飞庞尊方马文辉李文升孙礼娟邵光彬张平孙芳芳刘江春翟介明李波
Owner 莱州明波水产有限公司
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