Saury seedling seed fishing, temporary rearing and transporting technique

A technology for saury and fry, applied in fish farming, application, climate change adaptation and other directions, can solve the problems of poor progress, resource decline and high market price, and achieve the effect of improving the survival rate of transportation and the method is simple

Inactive Publication Date: 2008-09-17
钱晓明
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Due to factors such as the environment and fishing, resource decline is serious, the output is declining year by year, and the market price is high. At present, many universities and scientific research institutes in China are conducting artificial breeding research on saury, but the progress is not very smooth. Jiangsu Zhongyang Group is in the saury. Breeding technology has achieved initial success

Method used

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  • Saury seedling seed fishing, temporary rearing and transporting technique

Examples

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Embodiment

[0016] Below in conjunction with example the present invention will be further described:

example 1

[0018] From September to October 2007, saury fry caught in Wuwei, Anhui,

[0019] ① Fishing: Use 15-25 mesh polyethylene mesh cloth to make a push net to catch saury fry. The operation should be brisk, and the saury should not be out of the water or tight water (small volume of water squeezes the fish). First remove the towed sludge, inactive swimming, For fish fry with many deformities, thin and injured fry, take healthy swordfish fry, and it is best to control the time within 30 minutes, and pick healthy swordfish fry with water;

[0020] ②Temporary breeding: After the natural river water has been settled (18 hours), add salt (concentration 2.5‰), the temporary breeding temperature is controlled at 26-27°C, the temporary breeding time is less than 1 hour, and the temporary breeding density is 200--400 tails / box (500kg water / box);

[0021] ③Transportation: Use the above-mentioned steps ② to raise the treated natural river water temporarily, and add salt after sedimentati...

Embodiment 2

[0026] From July to August 2007, the saury fry caught in Rugao, Jiangsu,

[0027] ① Fishing: Use 15-25 mesh polyethylene mesh cloth to make a push net to catch saury fry. The operation should be brisk, and the saury should not be out of the water or tight water (small volume of water squeezes the fish). First remove the towed sludge, inactive swimming, For fish fry with many deformities, thin and injured fry, take healthy swordfish fry, and it is best to control the time within 30 minutes, and pick healthy swordfish fry with water;

[0028] ②Temporary breeding: After the natural river water has been settled (18 hours), add salt (concentration 2.5‰), the temporary cultivation temperature is controlled at 26-27°C, the temporary cultivation time is less than 45min, and the temporary cultivation density is 200--400 tails / Box (500kg water / box);

[0029] ③Transportation: In order to prevent the water environment in the big drum from being too different from the growth environment ...

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Abstract

The invention relates to a fry fishing, temporary rearing and transportation technique, which comprises the followings steps: (1) fishing: a push net made from polyethylene net cloth equipped with 15 to 25 meshes is used for saury fry fishing; saury fry with strong constitution is chosen together with water; (2) temporary rearing: salt is added to the natural river water after precipitation treatment; the temporary rearing temperature ranges between 26 DEG C to 27 DEG C, and the temporary rearing time is less than two hours; (3) transportation: water with the same water quality with the temporary rearing water is used; proper transportation density is maintained; the temperature of transportation water is controlled; ice is used for indirect cooling by the self dissolution of ice plastic bags arranged in the plastic bags used for saury fry transportation; when the saury fry is transported to destination and before the saury fry is arranged in the water, the water temperature of the fish pond should be adjusted to a temperature close to the transportation water temperature; then the saury fry is stocked in the fish pond. The technique has the advantages that, successful saury fry fishing, temporary rearing and transportation are carried out; the transportation survival rate of the saury fry is high.

Description

Technical field: [0001] The invention relates to a fish seed fishing and temporary breeding transportation technology, more specifically relates to a saury seed transportation technology. Background technique: [0002] Swordfish is one of the famous "three delicacies" of the Yangtze River, and it is a valuable economic fish. Due to factors such as the environment and fishing, resource decline is serious, the output is declining year by year, and the market price is high. At present, many universities and scientific research institutes in China are conducting artificial breeding research on saury, but the progress is not very smooth. Jiangsu Zhongyang Group is in the saury. Breeding technology has been initially successful. Due to the special habits of saury fish, strong emergency response, very low tolerance to adverse environments, and easy death in the water, the first step in artificial breeding is to overcome the technical problems of natural saury fry fishing and tempo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00A01K63/02
CPCY02A40/81
Inventor 钱晓明
Owner 钱晓明
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