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Industrialized artificial seedling cultivation method for rockfishes

A grouper, factory-like technology, applied in the field of aquaculture, can solve the problems of seedling failure, death, accumulation of harmful substances, etc., and achieve the effects of stable water quality conditions, simple operation process, and high seedling output

Inactive Publication Date: 2009-03-04
HAINAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the light is too strong, the algae will grow rapidly, and the larvae will have air bubble disease, which will lead to the failure of breeding; if the light is too weak, the algae will not grow normally, or even die. Cell rupture will also release various harmful substances, causing the larvae to die quickly
Because of the above reasons, it is difficult to master the artificial breeding technology of grouper factory, and the breeding effect is very unstable.

Method used

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Examples

Experimental program
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Embodiment Construction

[0046] The present invention will be further described below by specific embodiment:

[0047] 1. Nursery pool and water treatment

[0048] Build an indoor cement pool, rectangular, with an area of ​​30m 2 (6m×5m), the pool depth is 1m. It is convenient to enter and drain, and can control the temperature and adjust the light. Each pool is equipped with 25 scattered air stones to inflate. Seedling water requires clean water and sand filtration before use.

[0049] 2. Preparation before raising seedlings

[0050] 1) Live bacteria preparation

[0051] Take commercially available EM bacteria (containing bacillus, photosynthetic bacteria, lactic acid bacteria, saccharomyces, nitrifying bacteria, etc., containing ≥4×10 cells per ml) 8 ) 10 liters, 20 liters of clear water, 2 kg of brown sugar, cultured in a sealed manner, and set aside.

[0052] 2) Artificial bait and biological bait

[0053] High-grade shrimp crackers (commercially available). Main ingredients: white fish p...

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PUM

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Abstract

The invention relates to a method of industrial and artificial breeding of Epinephelus, which is applicable to the breeding of Epinephelus malabaricus and E.coioides. The method comprises the following steps: (1) treating a nursery pond and water; (2) preparing before breeding; (3) putting larval fishes of Epinephelus or germ cells; (4) controlling the quality of the breeding water body; and (5) feeding baits. The method is applied to conduct the industrial and artificial breeding, so that the water quality of the breeding is stable, the output for the unit water body breeding is high, the bred sizes of advanced fries are uniform, no antibacterial drugs are used, no special breeding is conducted to unicellular alga, no bottom-attaching happens in the process of breeding, and the operation is simple.

Description

technical field [0001] The invention relates to the technical field of aquaculture, in particular to a grouper factory artificial breeding method. Background technique [0002] There are nearly ten species of grouper that have been successfully propagated artificially. At present, the mainly spotted grouper (Epinephelus malabaricus) and oblique grouper (E. coioides) that have reached the production scale. Hereinafter referred to as "grouper" refers specifically to these two species. [0003] In the artificial breeding of grouper, if the water quality deteriorates (accumulation of certain harmful substances), the fry will die soon. In aquaculture, when the water quality deteriorates, the solution is usually to change the water. However, in the early stage of grouper breeding, because the larvae are small and weak, changing the water will easily cause the larvae to stick to the silk screen and die. Drastic changes in water quality conditions affect the survival rate of fry....

Claims

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Application Information

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IPC IPC(8): A01K61/00A23K1/18C02F7/00C02F3/34A23K50/80
CPCY02A40/81Y02W10/10
Inventor 陈国华王珺张本尹绍武
Owner HAINAN UNIVERSITY
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