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Method for outdoor overwintering of palaemonetes sinensis

A small long-arm, shrimp cage technology, applied in the fields of botany equipment and methods, climate change adaptation, horticulture, etc., can solve problems in the breeding of Chinese small long-armed shrimp, the low survival rate of breeding shrimp overwintering, and the resources of Chinese small long-armed shrimp. Destruction and other problems, to avoid mutual cannibalism, improve the survival rate, and avoid hypoxia death.

Inactive Publication Date: 2017-05-10
PANJIN GUANGHE CRAB IND
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Problems solved by technology

With the deterioration of the environment and uncontrolled fishing, the resources of the Chinese short arm shrimp have been severely damaged. Artificial breeding of the Chinese small long arm shrimp can restore wild resources very well, but the low survival rate of the species of shrimp overwintering in the process of artificial breeding has always been troubled. Breeding of Chinese small long arm shrimp

Method used

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Embodiment Construction

[0012] (1) Selection of overwintering pond: choose a pond with an area of ​​4-5 mu, a pond depth of 2.5m~3.0m, and a complete inlet and drainage system. Both inlet and outlet pipes are equipped with 40-mesh filter bags, and the overwintering pond is dredged. Sun-drying ponds, sterilize with bleaching powder at 20cm of water, 15kg per mu, transplant scorpion grass after one week of disinfection, plant distance 20cm, coverage rate 30%~35%, used for hiding and habitat of Chinese long arm shrimp during wintering period, reducing ammonia nitrogen in water , increase the dissolved oxygen in the water body, and slowly add water to 2m~2.2m after 10 days of transplanting the weed;

[0013] (2) The production of divided shrimp cages, use No. 6 steel bars to make a cylindrical frame with a height of 1m~1.2m and a diameter of 75cm~85cm, and use 0.5cm×0.5cm galvanized iron mesh as a net to make shrimp cages. Shrimp cages are placed in a shrimp pond with a water depth of 0.8m~1.0m. Each shr...

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Abstract

The invention provides a method for outdoor overwintering of palaemonetes sinensis and belongs to the technical field of breeding of the palaemonetes sinensis in aquatic products. The method specifically comprises the steps that 1, the selected depth of a pond is 2.5-3.0 m, and the area is 4-5 mu; 2, big and small palaemonetes sinensis larvae are separated through a palaemonetes sinensis separating cage before overwintering; 3, pond processing is performed before palaemonetes sinensis stocking; 4, a water caltrop is transplanted; 5, conventional water quality detection is performed; 6, daily management is performed. The method remarkably prevents outdoor mutual hurting of the palaemonetes sinensis larva, improves the overwintering survival rate and improves the environmental change adaptability of the palaemonetes sinensis larvae.

Description

technical field [0001] The invention relates to a method for outdoor overwintering of the Chinese long-armed prawn, in particular to a method for overwintering the shrimp during the breeding process of the Chinese small long-armed prawn. Background technique [0002] Chinese small long-armed shrimp (Palaemonetessinensis) belongs to Crustacea, Decapod order, Longarm shrimp family, Macrobrachium genus. Chinese small long arm shrimp is delicious in meat, unique in flavor, rich in various trace elements beneficial to human body, and is deeply loved by consumers. Moreover, its short breeding cycle, strong reproductive ability and fast growth rate are good test materials. With the deterioration of the environment and uncontrolled fishing, the resources of the Chinese short arm shrimp have been severely damaged. Artificial breeding of the Chinese small long arm shrimp can restore wild resources very well, but the low survival rate of the species of shrimp overwintering in the proce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/59A01K61/60A01K63/00A01G1/00
CPCA01G22/00A01K63/00Y02A40/81
Inventor 杨占全毛朋朋刘胥孙娜赵艳红
Owner PANJIN GUANGHE CRAB IND
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