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Method for cultivating epinephelus malabaricus for natural spawning all the year around

A technology of a grouper and a breeding method, which is applied in the field of natural spawning of the grouper throughout the year, can solve the problems of unregulated temperature and light, small individual eggs, and low fertilization rate, and achieve the fertilization rate. The effect of high, large egg size and high hatching rate

Inactive Publication Date: 2010-05-05
海南定大养殖有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, grouper broodstock are cultured in net cages, and the temperature and light cannot be adjusted. The bait fed is only squid and miscellaneous fish, and spawning and semen are also carried out in net cages, which results in small eggs. , low fertilization rate

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] 1. Selection of Broodstock of Spotted Grouper

[0023] c. The female fish weighs 8kg / tail and has a total length of 65cm; the male fish weighs 10kg / tail and has a total length of 70cm. Healthy parent fish without deformities;

[0024] d. The female fish is 6 years old and the male fish is 8 years old;

[0025] Second, the conditions of the breeding pond

[0026] a. A square corner-cut pond with an area of ​​0.13 hectares, with a depth of 3.5m and a maximum storage depth of 4.0m;

[0027] b. It has inlet and outlet, aeration, light control and temperature adjustment facilities;

[0028] 3. Stocking density

[0029] The stocking density of broodstock is 2000 / ha; the ratio of male to female is 2:3;

[0030] 4. Bait and feeding method

[0031] a. Bait: fresh shrimp, crab, squid, miscellaneous fish and artificial eel;

[0032] b. Feeding: The order of feeding is as follows: shrimp, crab, eel feed, squid, miscellaneous fish; and add 2‰ lecithin and 2‰ vitamin E to the b...

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PUM

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Abstract

The invention relates to a method for cultivating epinephelus malabaricus for natural spawning all the year around. The method comprises the following steps: 1. selecting ripe fish of the epinephelus malabaricus; 2. controlling the condition of a cultivating pond; 3. controlling the stocking density; 4. feeding baits and using a suitable feeding method; and 5. performing cultivating management. The invention enables the epinephelus malabaricus to spawn all the year around and has the advantages of large germ cell granule and high fertilization rate and hatching rate; and the invention is an initiative method for cultivating the ripe fish of the epinephelus malabaricus all over the world.

Description

technical field [0001] The invention relates to a culture method for natural spawning of the spotted grouper throughout the year. Background technique [0002] At present, grouper broodstock are cultured in net cages, and the temperature and light cannot be adjusted. The bait fed is only squid and miscellaneous fish, and spawning and semen are also carried out in net cages, which results in small individual eggs. , low fertilization rate. It is currently a blank in the world to cultivate the grouper parent in a pond with adjustable temperature and light control. Contents of the invention [0003] The purpose of the present invention is to provide a kind of culturing method of natural spawning of grouper throughout the year. [0004] Breeding method of the present invention is as follows: [0005] 1. Selection of Broodstock of Spotted Grouper [0006] a. Female fish weighing 4-10kg / tail, with a total length of 45-85cm; male fish weighing 8-12kg / tail, with a total length...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 梁伦翁文明符泽雄
Owner 海南定大养殖有限公司