Industrial breeding method for bevel-band rockfish

A kind of oblique-banded grouper, industrialized technology, applied in fish farming, climate change adaptation, application, etc., can solve the problems of limited funds, small number of test broodstock, and supply of seedlings, etc., to achieve high survival rate of seedlings, reduce Microenvironmental coercion, reducing the effect of nutrient coercion

Inactive Publication Date: 2003-10-01
广东省大亚湾水产试验中心
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Problems solved by technology

In China, since the 1980s, some fishery research departments in Zhejiang, Fujian, Guangdong and other provinces have begun to conduct experiments on artificial breeding of blue grouper and red-spotted grouper, and have done a lot of work in basic research, but these The experiments

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Embodiment Construction

[0012] The present embodiment comprises the following steps: (1) intensive cultivation of broodstock: at the end of March each year, mature broodstock is selected, and the broodstock is usually raised in a net cage with fishing rafts, fed with fresh miscellaneous fish, and fed with 2 months before laying eggs. Fish meal: squid: malt: earthworm: unsaturated fatty acid: compound vitamin = 80: 15: 2: 2: 0.8: 0.2 combination of parent fish fortified feed, strengthened cultivation; (2) egg hatching: above (1) strengthened One week before spawning, the reared broodstock are moved into a 60-ton circular spawning pond to lay eggs according to female: male = 2:1, with 32-35 tails in each pond, and the daily water change is 400-500%, and continue to be fed with fortified feed , keep the water temperature at 22-28°C to achieve natural spawning; the floating eggs produced by the broodstock are collected by the egg collection tank, and the separated fertilized eggs are placed in a small box...

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Abstract

An industrial breeding method for banded grouper includes such steps as intensified culture of parent grouper, oviposition, incubation, culturing fry and culturing young banded grouper. Its advantages are strong young banded grouper, and high operatability.

Description

Technical field [0001] The invention relates to an aquaculture method, in particular to a method for industrialized seedling cultivation of slanted grouper used for industrialized cultivation of fry. Background technique [0002] At the end of the 20th century, due to worldwide overfishing, fish stocks in the ocean continued to decline. In order to meet people's demand for marine aquatic products, countries all over the world are paying more and more attention to the development of artificial seawater aquaculture. In my country, mariculture, known as blue agriculture, is an important part of large-scale agriculture and occupies an important position in the national economy. The development of seawater seedling cultivation technology is a prerequisite for the development of seawater aquaculture. Grouper (Epinephelus sp.) has tender meat, delicious taste, high market price and good sales. In recent years, many countries in Japan, South Korea, Southeast Asia and Oceania are ...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 王云新刘付永忠黄国光张海发林蠡张玉清黄锦雄黄培卫李景李志强甘松永
Owner 广东省大亚湾水产试验中心
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