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Method for increasing transport survival rate of procambarus clarkii seeds

A technology of Procambarus clarkii and survival rate, which is applied in the field of improving the survival rate of Procambarus clarkii seedlings transportation, can solve the problems such as seedling death, and achieve the effects of reducing stress, increasing survival rate, and improving survival rate

Inactive Publication Date: 2019-11-05
YANGTZE UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the low temperature measures are taken, due to the short-term exposure to the low temperature environment, great stress is generated, which will cause a large number of seedlings to die

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A crayfish farmer in Jiangsu purchased 1000kg of shrimp fry from a crayfish farm in Hubei Province. Before transportation, the farm has adapted the shrimp seedlings to low temperature. Preparation of the transport box: Put a custom-made foam box (60cm×40cm×20cm) into a layer of 5cm thick sponge, and pour the prepared transport water into the foam box to make the water absorption capacity of the sponge reach a supersaturated state . Select the shrimp seedling of required specification (5g) from holding pond temporarily and put into prepared foam case, put 10kg shrimp seedling in every case, and foam case lid is tightly closed, packs in the compartment of air-conditioned constant temperature vehicle. During transportation, control the transportation temperature at 10-12°C. From Jingzhou, Hubei to a county in Jiangsu, the transportation time is about 9 hours. After arriving at the destination, slowly soak the shrimp seedlings in the pool water for 1 minute in the evenin...

Embodiment 2

[0022] A crayfish cooperative in Guangdong Province purchased 2000kg of shrimp fry (specification: 6g) from a crayfish breeding base in Hubei. Before the transportation, the staff of the base had exercised the temperature of the shrimp seedlings, and now they have adapted to the low temperature environment. Put a layer of 5cm thick sponge at the bottom of the foam box with specifications (60cm×40cm×20cm), and pour fresh water with vitamin C and dissolved oxygen above 5mg / L into the foam box to make the sponge inside absorb water When the ability reaches saturation, the selected shrimp seedlings are carefully placed in foam boxes, and 10kg of shrimp seedlings are put into each box. After packing, seal the lid and put it into the air-conditioned and constant temperature vehicle. During transportation, control the transportation temperature in the vehicle at 10-12°C. The transportation time from Hubei to a place in Guangdong is about 13 hours. After arriving at the destination...

Embodiment 3

[0024] A farm in Hunan Province purchased 500kg of shrimp fry from a crayfish fry farm in Hubei. Before transportation, according to this method, put the caught shrimp seedlings into a low-temperature pool after tempering at a suitable temperature. On the day of transportation, add 80g of vitamin C to 1t of fresh water, and adjust the pH to 7.0-7.5, and the dissolved oxygen to 5mg / L, as water for transportation. Then put a layer of sponge in the customized foam box (specification: 60cm × 40cm × 20cm), and pour in the transport water to make it reach a supersaturated state, put 10kg of shrimp seedlings (specification: 8g) into each box, and package After it is ready, put it in the air-conditioned constant temperature compartment. During transportation, control the temperature inside the vehicle at 10-12°C. From Hubei to a place in Hunan, the transportation time is 3 hours. After arriving at the destination, slowly soak the shrimp seedlings in the pool water for 1 minute in ...

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Abstract

The invention discloses a method for increasing the transport survival rate of procambarus clarkii seeds. The method is characterized by comprising the following steps that seed training is carried out to make the seeds gradually adapt to the low-temperature environment and eliminate low-quality seeds; vitamin C is added into fresh water, NaOH is added to regulate the pH value of the water, and meanwhile the water is aerated to obtain transport water; polyvinyl alcohol sponges fully absorb the transport water and then are placed at the bottoms of foam boxes to form special transport boxes; after the seeds are placed in the special transport boxes, the special transport boxes are sealed with covers, holes are drilled in the four walls of each special transport box, the special transport boxes are placed a specialized air-conditioner constant-temperature transport vehicle, and the temperature in the container is controlled to be 10-12 DEG C; after the seeds are transported to a breedingbase, atomizing spraying is carried out with pond or paddy field water, then the seeds are slowly put into the pond or paddy field, and vitamin C is splashed into the whole pond. The method can greatly reduce the stress of the seeds in the transport process, thereby increasing the survival rate of the seeds.

Description

technical field [0001] The invention belongs to the technical field of fish farming, and in particular relates to a method for improving the survival rate of Procambarus clarkii seedlings transported. Background technique [0002] Procambarus clarkii (Procambarus clarkii), commonly known as crayfish, belongs to the phylum Arthropoda, Crustacea, Decapod order, Crayfish family, and the genus Procambarus. Because of its unique flavor and rich nutrition, it has become a must-have delicacy for consumers in summer. As a "night snack online celebrity", crayfish farming has become a sunrise industry for the green development of agriculture in my country, promoting rural development and increasing agricultural efficiency. According to the 2018 China Crayfish Industry Development Report, the crayfish industry has developed rapidly in recent years, with the breeding area exceeding 10 million mu and the output exceeding one million tons. [0003] Crayfish is an important freshwater aq...

Claims

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Application Information

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IPC IPC(8): A01K61/59A01K63/02
CPCA01K61/59A01K63/02Y02A40/81
Inventor 范文浩方刘阮国良
Owner YANGTZE UNIVERSITY
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