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Method for large-scale cultivation of Babylonia areolata in mulched shrimp pond

A technology of Dongfeng snails and Dongfeng snails, which is applied in the field of large-scale cultivation of Dongfeng snails in plastic film shrimp ponds, can solve problems such as inappropriateness, and achieve the effect of low cost and strong operability

Active Publication Date: 2012-07-11
ZHANJIANG TENGFEI INDAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Patent application number 200920194434.4 "Dongfeng snail new model breeding pond" uses overhead bricks, plastic mesh layer, sieve silk layer, and sand layer to form a bottom for cultivating Dongfeng snails, which is also not suitable for large-scale pond Dongfeng snail breeding

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] In the 10 film-filmed shrimp ponds, each pond has an area of ​​about 4-5 mu and a depth of 1.2-1.5m. The film-filmed shrimp ponds used have middle sewage discharge, and there is a certain slope from the edge to the middle. The water intake and drainage are convenient, and the water quality is Clean seawater with a salinity of 17-25.

[0030] The formula for constructing the sandy bottom of the filmed shrimp pond is to add 5-10‰ of shell powder, 1-2‰ of granular zeolite with a diameter of 2-10mm, and 1-2 ceramsite with a diameter of 10-20mm to the sea sand with a particle size of 0.1-1mm. ‰. Each fine gravel layer has a 3cm diameter PVC pipe with a hole diameter of 0.25mm from the edge of the pond to the middle, which is connected with the water supply pipe of the pond and controlled by a switch. The fine-grained gravel layer and the coarse-grained gravel layer are arranged side by side in strips. Insulate with perforated bricks.

[0031] Control the depth of the aqua...

Embodiment 2

[0046] In the 5 plastic-filmed shrimp ponds, each pond has an area of ​​about 2-3 mu. There are good water source treatment (filtration, disinfection and purification) facilities, and the water supply is sufficient. The conditions of its depth, sewage drainage mode, substrate construction and microbial treatment, aeration, seawater quality, bait, and seed quantity specification are the same as those in Example 1

[0047] The water depth is 70-80cm at the edge and 120-150cm in the middle for cultivation.

[0048] 5-10 days to detect the physical and chemical factors of the 10cm water layer close to the bottom substrate culture, when the alkalinity is less than 1.5mg / L, start to drain and take the step of drying the bottom substrate. The time interval is generally 30 to 45 days in the early stage, 15 to 20 days in the middle stage, and 7 to 15 days in the late stage.

[0049] After draining the water thoroughly, dry the substrate for 6-20 hours to oxidize the substrate.

[005...

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Abstract

Disclosed is a method for large-scale cultivation of Babylonia areolata in a mulched shrimp pond. According to the characteristics of pond culture, the mulched shrimp pond is selected, a novel substrate is designed, and timely removal of excessively accumulated residual bait and dung of cultured animals and harmful substances in the substrate with low dissolved oxygen are mainly considered. In addition, the technique of regular complete drainage of water and replacement of fresh seawater is adopted according to the characteristic that Babylonia areolata which dwells at the bottom is capable of leaving water temporarily, so that the substrate conditions are changed forcedly, culture waste is cleared, the numeric range of physical and chemical factors of the substrate is updated, and the substrate is guaranteed to meet the requirement of Babylonia areolata on continual growth during cultivation in 8-10 months. The cleanness of the sandy bottom is kept for a long period of time during cultivation of Babylonia areolata using the mulched shrimp pond in 8-10 months, and a fine living environment is provided for bottom-dwelling Babylonia areolata. The method is simple, efficient, highly operable, low-cost and applicable to large-scale cultivation of Babylonia areolata in shrimp ponds.

Description

technical field [0001] The invention belongs to a method for large-scale cultivating snails with plastic film in shrimp ponds. Background technique [0002] At present, the parent snails of Dongfeng snails come from the natural sea area of ​​the South my country Sea. The water quality of the original sea area is clean and the bait is rich. Especially the sea area is a reef bottom which has always been an excellent growth area for the original species of benthic organisms, which is conducive to the survival of Dongfeng snails. Therefore, in farming, the cleanliness of the substrate is of great significance. Among them, keeping the sandy bottom clean for a long time provides a good living place for the benthic snails. As a carnivorous snail, the snail's bait residue will quickly blacken the substrate, and a large number of spoilage bacteria will be produced, which will affect the disease resistance of the snail and cause disease. [0003] The artificial breeding of snails is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 邱明生邱德全杨世平王成桂陈子腾
Owner ZHANJIANG TENGFEI INDAL
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