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A method to increase the opening rate of rice field eel

A technology of opening rate and rice field eel, which is applied in fish farming, application, climate change adaptation, etc., can solve the problems that cannot improve the opening rate of rice field eel, affect the economic benefits of breeding, affect the survival rate of eel seedlings, etc., and achieve water quality easily Controlling, not easy to be pests, fast growth of eels

Active Publication Date: 2017-02-22
上海东保农业科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The low opening rate of rice field eels not only seriously affects the growth of rice field eels, but also seriously affects the survival rate of eel seedlings, increases the cost of medicine, and affects the economic benefits of breeding, which has become a major problem that plagues the rice field eel farming industry
[0003] In production, experienced farmers can implement scientific management in every link such as fishing, temporary breeding, transportation, grading, boxing, aquatic plant placement, water body maintenance, domestication, oral administration of medicines, box checking, and food table cleaning. It is possible to increase the opening rate of the rice field eel and obtain certain economic benefits, but it still cannot get rid of the embarrassing situation of relying on the weather. If the eel seedlings are put into the box and encounter continuous rainy days, the opening rate of the rice field eel cannot be improved better, and because the rice field eel The breeding time is short (about 3 months), once the opening is not good, remedial measures cannot be taken in the future

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Implementation location: Changshu City, Suzhou, Jiangsu Province. Implementation time: April-June 2013. Lay a layer of high-density polyethylene anti-seepage film with a thickness of 0.32mm on the soil-free ponds arranged in the plastic greenhouse, and each soil-free pond has an area of ​​200m 2 , 100cm high, the bottom of the pool is a slope, the lowest point is 15cm lower than the highest point, and a drain is set at the lowest point. At the beginning of April, open net cages were sewed with polyethylene non-nodular mesh. Each cage was 3m x 2m x 1m with a mesh of 10 meshes. Piles were driven around the pool, and No. 12 iron wires were fixed on the piles. Hang the net cage on the iron wire and inject the pollution-free well water with a water depth of 80cm. The net cages are in a single row, the distance between the net cages is about 0.5m, the bottom of the net cages is 30cm from the bottom of the pool, the part above the water is 50cm, and the part under the water ...

Embodiment 2

[0024] Implementation location: Zhuanghang Town, Fengxian District, Shanghai. Implementation time: May-June 2014. Lay a layer of high-density polyethylene impermeable film with a thickness of 0.35 mm on the earth ponds arranged in the plastic greenhouse, and the area of ​​each earth-free pond is 300m 2 , 120cm high, the bottom of the pool is a slope, the lowest point is 20cm lower than the highest point, and a drain is set at the lowest point. At the beginning of May, open net cages were sewed with polyethylene non-nodular mesh. Each cage was 2m x 2m x 1m and the mesh was 8 mesh. Piles were driven around the pool, and No. 10 iron wires were fixed on the piles. Hang the net cage on the iron wire and pour it into clean river water with a water depth of 100cm. The net cages are in a single row, the distance between the net cages is about 0.5m, the bottom of the net cages is 50cm from the bottom of the pool, the part above the water is 50cm, and the part under the water is 50cm....

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PUM

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Abstract

The invention provides a method for improving an aperture opening ratio of ricefield eels. The method comprises the following steps: hanging a net cage in an impermeable membrane soilless culture pond in a greenhouse, putting water plants in the net cage, after the water plants grow for 20-30 days, placing wild ricefield seedlings in the net cage, feeding foods to the ricefield eels, immediately enabling the ricefield eels to open, and transplanting the opened ricefield eel seedlings into the net cage outside the greenhouse after 15-25 days for performing conventional cultivation. The method provided by the invention is not influenced by rainy days, is radically improved in aperture opening ratio of the ricefield eels, has the characteristics of being wide in application range, and high in growing speed and economic benefit of the ricefield eels, and the like, and water quality is easily regulated and controlled.

Description

technical field [0001] The invention belongs to the technical field of aquaculture, and in particular relates to a method for increasing the opening rate of rice field eels. Background technique [0002] Rice field eel has high nutritional and medicinal value, and is one of the few traditional agricultural products that are in short supply. Its artificial breeding has a broad prospect. At present, due to the immature technology of large-scale breeding of rice field eels, the seedlings used in rice field eels basically come from wild resources. In the wild environment, rice field eels live in scattered camps and caves. The temperature in the cave is relatively stable, the water quality environment is relatively good, and its food is rich and colorful. However, under the conditions of artificial breeding, the camp life and scattered life of rice field eels suddenly changed. Coupled with fishing, temporary breeding, transportation, grading, unboxing, aquatic plant placement, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 周文宗宋祥甫潘琦刘娅琴
Owner 上海东保农业科技有限公司
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