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Method for culturing nibea albiflora

A breeding method, the technology of meager fish, which is applied in the field of breeding, can solve the problems of being easily affected by natural disasters, high risk of breeding, and low breeding efficiency

Inactive Publication Date: 2015-10-28
张晶
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the existing methods of aquaculture generally adopt shallow sea cage culture methods that are relatively traditional and highly dependent on the coastal natural environment and climate. In actual production and aquaculture, they are easily affected by natural disasters and the growth process It has a strong seasonality and is easily affected by the decline in the quality of the coastal ecological environment, resulting in the problems of high risk of breeding, long breeding cycle and low breeding efficiency

Method used

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  • Method for culturing nibea albiflora

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0073] 68,500 fish fry were invested, the survival rate reached 92.8%, and the breeding area was 500m 2 , the depth of the water body is 5.0m, and the output of adult croup is 31,400 kg.

[0074] The preset breeding indicators adopted are: temperature 25℃~30℃, pH value 7.8~8.5, salinity 26%~28%, dissolved oxygen>6mg / L, chemical oxygen demand ≤2mg / L, biochemical oxygen demand ≤ 1mg / L, inorganic nitrogen ≤0.2mg / L, non-ionic ammonia ≤0.02mg / L, active phosphate ≤0.015mg / L, coliform bacteria ≤5000 / L.

[0075] From Example 1, it can be seen that when the preset breeding index is adopted, the breeding density is 27.4 tails / m 3 After that, the survival rate of 92.8% can still be achieved.

Embodiment 2

[0077] 69,100 fry were invested, the survival rate reached 96.7%, and the breeding area was 500m 2 , the depth of the water body is 5.0m, and the output of adult croup is 31,700 kg.

[0078] The preset breeding indicators adopted are: temperature 25℃~30℃, pH value 7.8~8.5, salinity 26%~28%, dissolved oxygen>6mg / L, chemical oxygen demand ≤2mg / L, biochemical oxygen demand ≤ 1mg / L, inorganic nitrogen ≤0.2mg / L, non-ionic ammonia ≤0.02mg / L, active phosphate ≤0.015mg / L, coliform bacteria ≤5000 / L.

[0079] Among them, fresh water is used to wash the croaker every 20 days to 30 days.

[0080] From embodiment 2, it can be seen that when adopting the preset culture index and regularly adopting fresh water to clean the croaker, its culture density is 27.7 tails / m 3 After that, the survival rate of 96.7% can still be achieved.

Embodiment 3

[0082] 69,300 fry were invested, the survival rate reached 95.4%, and the breeding area was 500m 2 , the depth of the water body is 5.0m, and the output of adult croaker is 32,100 kg.

[0083] The preset breeding indicators adopted are: temperature 25℃~30℃, pH value 7.8~8.5, salinity 26%~28%, dissolved oxygen>6mg / L, chemical oxygen demand ≤2mg / L, biochemical oxygen demand ≤ 1mg / L, inorganic nitrogen ≤0.2mg / L, non-ionic ammonia ≤0.02mg / L, active phosphate ≤0.015mg / L, coliform bacteria ≤5000 / L.

[0084] Among them, oxytetracycline is added to the bait, and the mass ratio of bait to oxytetracycline is 1000:1.2-2.3.

[0085] From embodiment 3, it can be seen that when adopting the preset breeding index and adding oxytetracycline, its breeding density is 27.7 tails / m 3 After that, the survival rate of 95.4% can still be achieved.

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Abstract

A method for culturing nibea albiflora comprises steps as follows: male parent nibea albiflora and female parent nibea albiflora are mixed and cultured together, and fertilized eggs of the nibea albiflora are obtained; the fertilized eggs of the nibea albiflora are hatched with a loop incubator, and fries of the nibea albiflora are obtained; after a culturing system is sterilized, the culturing system is washed and soaked with fresh water; natural seawater is treated to meet the preset culturing index, and culturing seawater is obtained and injected into a culturing system; the fries of the nibea albiflora are put in the culturing system for culture, fish bait is put in the culturing system, pest control is performed, and the water quality of the culturing seawater is monitored in real time; the culturing wastewater is treated to meet the preset culturing index and to serve as the recyclable culturing seawater; the culturing seawater is supplemented and injected into the culturing system. The method for culturing the nibea albiflora is more environment-friendly and has smaller pollution on the environment; besides, the natural seawater meeting the preset culturing index after treatment is used for culturing the nibea albiflora, the culturing risk is lower, the culturing period is shorter, and the culturing quality is better.

Description

technical field [0001] The invention relates to the technical field of cultivation, in particular to a method for cultivating croaker. Background technique [0002] At present, the mariculture industry has always been one of the fastest-growing industries in agriculture and the rural economy. It has created a large number of employment and income-increasing opportunities for the transfer of rural labor force, and has become an important industry to promote the development of the rural economy. Comprehensive economic development has played an important role. Therefore, vigorously developing the marine aquaculture industry is an important direction for the future development of my country's marine fishery. [0003] Among them, in the marine aquaculture industry, famous and high-quality new species and high-value-added aquaculture are important ways to rapidly develop the marine aquaculture industry. However, in fact, my country's freshwater aquaculture has always been domina...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCA01K61/00Y02A40/81
Inventor 张晶
Owner 张晶
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