Method for Industrialized Breeding of Saddle Grouper

A saddle grouper, industrialized technology, applied in fish farming, climate change adaptation, application and other directions, can solve the problem that the saddle grouper larvae are small, the larvae stick to the screen and die, and affect the survival rate of the fry. and other problems, to achieve the effect of stable water quality conditions, neat specifications and high seedling yield.

Inactive Publication Date: 2011-11-30
HAINAN UNIVERSITY
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Problems solved by technology

The main reason is that in the artificial breeding of saddle grouper, fry often die due to deterioration of water quality (accumulation of certain harmful substances)
In aquaculture, the method of changing water is commonly used to solve water quality problems, but saddle grouper larvae are small, and changing water can easily cause larvae to stick to the silk screen and die, and changing water will also cause drastic changes in water quality conditions and affect the survival rate of fry

Method used

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Embodiment Construction

[0047] The present invention will be described in further detail below in conjunction with preferred embodiments, but the present invention is by no means limited to the following embodiments.

[0048] 1. Nursery pool and water treatment

[0049] Seedling workshop: brick and wood structure, 1 / 6 of the roof is made of glass materials. The light in the workshop can be adjusted by blocking the glass or turning on the artificial light source. The light intensity on the water surface of the nursery pond is 3000-5000Lx from 11:00 to 15:00 every day.

[0050] Nursery pool: indoor cement pool, cement pool, square, area 25m 2 (5m×5m), the pool depth is 1m. Each pool is equipped with 25 evenly distributed gas stones to inflate. One sewage outlet at the bottom of each pool, one overflow outlet and one water inlet.

[0051] Water source: The water quality of the water source meets my country's second-class (or above) sea water quality standard (GB 3097-1997). The filtered sea water is...

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Abstract

The invention relates to a method for industrialized seedling raising of saddle grouper, which is suitable for saddle grouper (Epinepheluslanceolatus). The steps taken by the method include: 1. seedling raising workshop, seedling pond and seedling water treatment; 2. preparation before seedling raising; 3. Putting fertilized eggs or larvae of saddle grouper; 4. Water quality control of nursery water; 5. Bait and feeding methods. The method of the present invention carries out industrialized seedling raising of saddle grouper, and has the advantages of stable water quality conditions for seedling raising, high seedling output per unit of water, neat specifications of the bred fish fingerlings, no use of any antibacterial drugs, and no additional preparation of larva opening bait during the seedling raising process 1. The nursery does not need to cultivate single-cell algae alone, and the whole process of seedling cultivation does not suck the bottom, which greatly simplifies the operation process.

Description

technical field [0001] The invention relates to the technical field of aquaculture, in particular to a method for industrially cultivating saddle grouper fry. Background technique [0002] Saddle banded grouper (Epinephelus lanceolatus), commonly known as gentian grouper, belongs to Perciformes, Serranidae, and Epinephalus. It is a fish in warm water and middle and lower coral reefs, and its resources are scarce. Saddle grouper is one of the largest species of grouper. It has the advantages of fast growth and delicious meat. It has become a species of grouper with excellent breeding prospects and is deeply loved by farmers. Because the artificial propagation technology of saddle grouper is not yet mature, the lack of seed limits the development of aquaculture. [0003] The artificial breeding of saddle grouper includes three main technical links, broodstock breeding, artificial breeding, and artificial breeding. Hainan is the most suitable area for artificial breeding of s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 陈国华王珺骆剑尹绍武
Owner HAINAN UNIVERSITY
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