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Freshwater aquaculture method of litopenaeus vannamei

A technology of freshwater culture and whiteleg shrimp, which is applied in the field of freshwater culture of Penaeus vannamei, can solve the problems of lowering the water temperature of Penaeus vannamei and difficulty in cultivating Penaeus vannamei

Inactive Publication Date: 2013-05-22
LONGCHANG TIANYUAN AQUACULTURE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a freshwater culture method of Penaeus vannamei for the above-mentioned deficiencies in the prior art, through the adaptive treatment of shrimp seedlings, reduce the culture water temperature of Penaeus vannamei, and solve the problem that it is difficult to culture Penaeus vannamei in low-temperature waters

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1 adopts the following method to obtain the adult shrimp of Penaeus vannamei:

[0027] 1. Clean the seedling pool. In mid-March (March 10-20), rinse the seedling pool with fresh water with a salinity of 0, soak it in water with a salinity of 3%, and oxygenate it for 2 hours a day; 2. Sprinkle 200g of eel eel feed powder and 80g of photosynthetic bacteria to cultivate water quality after Tianhou, and get nutritious water quality after standing for 5 days;

[0028] 2. Cultivate shrimp seedlings, put the shrimp seedlings into nutrient water at a depth of 70cm, adjust the water temperature to 24~28°C, and adjust the salinity of the water body to 3% before placing the seedlings; stock the shrimp seedlings with a density of 0.5~0.7cm, 0.2 10,000 tails / square meter;

[0029] 3. After growing into juvenile shrimp, put the shrimp seedlings into the nutrient water quality, turn on the air compressor every day to maintain the micro-dynamics of the pond water body, and ...

Embodiment 2

[0033] Embodiment 2 adopts the following method to obtain the adult shrimp of Penaeus vannamei:

[0034] 1. Clean the seedling pool. In mid-March (March 10~20), rinse the seedling pool with fresh water with a salinity of 0, soak it in water with a salinity of 3%, and oxygenate it for 3 hours a day; 2. Sprinkle 200g of eel eel feed powder and 80g of photosynthetic bacteria to cultivate water quality after Tianhou, and get nutritious water quality after standing for 5 days;

[0035] 2. Cultivate shrimp seedlings, put the shrimp seedlings into 70cm deep nutrient water quality, adjust the water temperature to 24~28°C before the seedlings, and adjust the water salinity to 3%; put the shrimp seedlings with a density of 0.5~0.7cm, 0.3 10,000 tails / square meter;

[0036] 3. After growing into juvenile shrimp, put the shrimp fry into the nutrient water quality, turn on the air compressor every day to maintain the micro-dynamics of the pond water body, and oxygenate for 3 hours a day; ...

Embodiment 3

[0040] Embodiment 3 adopts the following method to obtain the adult shrimp of Penaeus vannamei:

[0041] 1. Clean the seedling pool. In mid-March (March 10-20), rinse the seedling pool with fresh water with a salinity of 0, soak it in water with a salinity of 3%, and oxygenate it for 2 hours a day; 2. Sprinkle 200g of eel eel feed powder and 80g of photosynthetic bacteria to cultivate water quality after Tianhou, and get nutritious water quality after standing for 5 days;

[0042] 2. Cultivate shrimp seedlings, put the shrimp seedlings into 70cm deep nutrient water quality, adjust the water temperature to 24~28°C before the seedlings, and adjust the water salinity to 3%; put the shrimp seedlings with a density of 0.5~0.7cm, 0.3 10,000 tails / square meter;

[0043] 3. After growing into juvenile shrimp, put the shrimp seedlings into the nutrient water quality, turn on the air compressor every day to maintain the micro-dynamics of the pond water body, and oxygenate 2 hours a day...

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Abstract

The invention discloses a freshwater aquaculture method of litopenaeus vannamei. The method includes the following steps: a. shrimp postlarvae is thrown into a temperature-controllable postlarvae cultivating pond in the middle of march to be cultivated for 29-33 days to grow into juvenile prawns with the body length of 4-5 cm through the freshwater method; and b. the juvenile prawns obtained through cultivation is thrown into a temperature-controllable culture pond to be cultivated for 55-70 days to grow into prawns with the body length ranging from 18 cm to24 cm, and the temperature of the culture pond is not less than 17 DEG C. According to the freshwater aquaculture method, the litopenaeus vannamei can be cultivated in freshwater of 17-18 DEG C to meet culture requirements for the low-temperature environment of the litopenaeus vannamei. In addition, a light emitting diode (LED) is arranged for underwater sterilization, excessive composite microbial fertilizer and perlite powder are prevented from being used, drug residue is avoided, nutritive value of the litopenaeus vannamei is further guaranteed.

Description

technical field [0001] The invention belongs to the technical field of aquaculture and relates to a freshwater culture method for shrimp, in particular to a freshwater culture method for Penaeus vannamei. Background technique [0002] Penaeus vannamei Boone (Penaeus vannamei Boone, 1931) is scientifically known as Penaeus vannamei, belonging to the phylum Arthropoda, Crustacea, Decapoda, Natantia, Penaeidae, and the genus Penaeus. (Penaeus), Lito-penaeus subgenus, are wide-temperature and wide-halty tropical shrimps. Common name: also known as white-leg shrimp and white shrimp, which was previously translated as Penaeus wanshii. It looks exactly like Chinese prawns and prawns. The average life span can be at least 32 months. Adults can be up to 24cm long, with a thin carapace. The normal body color is light blue-gray, and there are no markings on the whole body. The legs are often chalky, so they are called white-legged shrimps. [0003] The meat of Penaeus vannamei is de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 程礼彬
Owner LONGCHANG TIANYUAN AQUACULTURE
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