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Method for improving quality of water in eriocheir sinensis aquaculture pond and preventing crab diseases through mint planting

A Chinese mitten crab and pond technology, applied in the fields of botanical equipment and methods, fish farming, agricultural gas emission reduction, etc., can solve the problems of difficult management of planting aquatic plants, difficult to salvage aquatic plants, and difficult to harvest crabs, etc. To achieve the effect of being conducive to popularization and use, improving utilization value, and preventing and controlling animal diseases

Inactive Publication Date: 2016-11-09
FRESHWATER FISHERIES RES CENT OF CHINESE ACAD OF FISHERY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Planting aquatic plants is not easy to manage, and it is difficult to salvage aquatic plants after they die. The residues deposited at the bottom of the pond will instead ferment and cause hypoxia. Another disadvantage is that crabs are not easy to harvest

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] (1) Eriocheir sinensis breeding: In 2015, a pond with an area of ​​about 10 mu was selected in Wujiang, Jiangsu, with a water depth of 1.1m and a slope ratio of 1:3. Disinfect the pond before breeding to remove excess silt, and expose to the sun for 15 days after dredging to promote the decomposition of organic matter in the bottom mud. Thickened plastic film is used to build anti-escape facilities around the pond, which is 50cm higher than the ridge surface. In late March, the crab species were stocked to the pond at a capacity of 600 / mu.

[0017] (2) Mint planting: make a biological floating bed, the production method is to fix the head and tail of 4 PVC pipes with a length of 2m and an outer diameter of 4cm, which can float on the water surface, and the shape is like a bed. Live, and insert the cultivated mint seedlings into the holes. Make a plurality of biological floating beds according to the above-mentioned method and plant mint on the water surface. The floa...

Embodiment 2

[0021] (1) Eriocheir sinensis breeding: In 2015, a pond with an area of ​​about 15 mu was selected in Yixing, Jiangsu, with a water depth of 1.5m and a slope ratio of 1:3. Disinfect the pond before breeding to remove excess silt, and expose to the sun for 15 days after dredging to promote the decomposition of organic matter in the bottom mud. Thickened plastic film is used to build anti-escape facilities around the pond, which is 60cm higher than the ridge surface. In late March, the crab species were stocked to the pond at a capacity of 750 / mu.

[0022] (2) Mint planting: make a biological floating bed, the production method is to fix the head and tail of 4 PVC pipes with a length of 2m and an outer diameter of 4cm, which can float on the water surface, and the shape is like a bed. Live, and insert the cultivated mint seedlings into the holes. Make a plurality of biological floating beds according to the above-mentioned method and plant mint on the water surface. The float...

Embodiment 3

[0026] (1) Eriocheir sinensis breeding: In 2014, a pond with an area of ​​about 10 mu was selected in Xinghua, Jiangsu, with a water depth of 1.3m and a slope ratio of 1:3. Disinfect the pond before breeding to remove excess silt, and expose to the sun for 15 days after dredging to promote the decomposition of organic matter in the bottom mud. Thickened plastic film is used to build anti-escape facilities around the pond, which is 55cm higher than the ridge surface. In late March, the crab species were stocked to the pond at a capacity of 600 / mu.

[0027] (2) Mint planting: make a biological floating bed, the production method is to fix the head and tail of 4 PVC pipes with a length of 2m and an outer diameter of 4cm, which can float on the water surface, and the shape is like a bed. Live, and insert the cultivated mint seedlings into the holes. Make a plurality of biological floating beds according to the above-mentioned method and plant mint on the water surface. The floa...

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Abstract

The invention relates to a method for improving the quality of water in an eriocheir sinensis aquaculture pond and preventing crab diseases through mint planting and belongs to the technical field of aquaculture. Mint and eriocheir sinensis are obtained through eriocheir sinensis breeding, mint planting, pond management and harvesting. By the adoption of the method, more varieties of floating floor plants can be obtained to realize a water purifying effect same as that generated by other floating floor plants, the utilization value of floating floor plants can also be increased, and therefore application and popularization of bio-floating bed technique are benefited; furthermore, by planting mint in aquaculture water, growth of bred animals can be promoted and diseases of bred animals can be controlled through metabolites generated during growth of Chinese herbal medicine.

Description

technical field [0001] The invention relates to a method for improving the water quality of Chinese mitten crab culture ponds and preventing crab diseases by planting mint, and belongs to the technical field of aquaculture. Background technique [0002] In the early stage of Chinese mitten crab breeding, aquatic plants need to be planted to purify water quality and provide shelter for crabs. Planting aquatic plants is not easy to manage, and it is difficult to salvage aquatic plants after they die. The residues deposited at the bottom of the pond will instead ferment and cause hypoxia. Another disadvantage is that crabs are not easy to harvest. [0003] Utilize the method for constructing biological floating bed on the water surface can solve above-mentioned avoid above-mentioned shortcoming effectively. The biological floating bed takes aquatic plants as the main body, uses soilless cultivation technology, and achieves the principle of making full use of the water body spa...

Claims

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Application Information

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IPC IPC(8): A01K61/00A01G31/00A01G31/02
CPCA01G31/00A01G31/02Y02P60/21Y02P60/60Y02A40/81
Inventor 胡庚东宋超陈家长吴伟孟顺龙范立民郑尧裘丽萍
Owner FRESHWATER FISHERIES RES CENT OF CHINESE ACAD OF FISHERY SCI
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