Method for increasing transportation survival rate of summer freshwater shrimp larvae

Abstract

The invention belongs to the technical field of aquaculture, and relates to a method for increasing transportation survival rate of summer freshwater shrimp larvae. The method comprises the steps that 1, water is added into a water tank, the demand water of the water tank is determined according to the transport quantity of the shrimp larvae, deep well water is added into the water tank to reach half of the demand water firstly, and then water of an original pond of the shrimp larvae is added to reach half of the demand water to be mixed with the added deep well water; 2, Vc is added, Vc for aquatic products is added into the water tank; 3, oxygen aeration is conducted, and oxygen is added into the water tank; 4, shrimp larva putting is conducted, and the shrimp larvae are put into the water tank. The character that the deep well water is homothermal is adopted, the water temperature of the water tank in high temperature season is far lower than that of the pond, the deep well water is added into the water tank to reach half of the demand water, the water temperature of the water tank can be effectively decreased, the temperature difference is not too large, the pond water is added to reach half of the demand water, and a buffering function on the quality of the water in the water tank can be achieved. Vc can effectively reduce stress reaction of the shrimp larvae and increase the survival rate of the shrimp larvae after the shrimp larvae are transported and enter the pond. An oxygen cylinder is used for adding the oxygen, on one hand, the pure oxygen adding effect is obvious; on the other hand, the temperature of the pure oxygen is constant, and the temperature of the water in the water tank can be kept stable.

Description

technical field [0001] The invention belongs to the technical field of aquaculture, and relates to a method for improving the survival rate of freshwater shrimp seed transportation in summer. Background technique [0002] Green shrimp (Macrobrachium nipponense), scientific name Macrobrachium nipponense, is an important freshwater economic shrimp in my country. Green shrimp has the advantages of rich nutrition, tender meat and delicious taste. Due to the increase of people's demand for freshwater shrimp, and the advantages of low cost, fast income and high profit of freshwater shrimp farming, the development of freshwater shrimp farming industry has been promoted. [0003] In the process of developing large-scale freshwater shrimp aquaculture production, shrimp seedling breeding and adult shrimp farming have been gradually divided, and shrimp seedling transportation has become an important link in the production process of freshwater shrimp farming. At present, the more co...

AI Technical Summary

Problems solved by technology

All use deep well water for transportation: the disadvantage of this method is that the water temperature and water quality of the deep well water and the freshwater shrimp pond are quite different. Excited death

Add ice cubes during transportation: The disadvantage of this method is that the water body in the water tank is small, and the amount of ice cubes added is difficult to control

If there are too few ice cubes, the purpose of cooling cannot be achieved; if there are too many ice cubes, the water temperature in the water tank will be too low, causing the seedlings to have a strong stress response due to the large temperature difference