Prevention method for river crab diseases

Abstract

The invention provides a prevention method for river crab diseases, which achieves the goals of remarkable prevention effects on the diseases of cultivated river crabs and yield increase and income increase of fishery. The prevention method for the river crab diseases comprises treating a crab pool during a cultivation preparation period of the river crabs. The prevention method is characterized in that after water is injected into the crab pool, chemicals are used according to a certain concentration to perform insect killing and sterilization to the crab pool so as to kill pathogens of the river crab diseases and various shellfish which are major intermediate hosts of the pathogens, and after a certain time, quicklime is mixed with the water according to a certain dosage and sprayed to the whole pool. The prevention method is favorable for reducing incidence of the river crab diseases, and is particularly favorable for reducing incidence of a trembling disease of the river crabs, thereby being favorable for increasing cultivation yield and economic benefit of the river crabs.

Description

technical field [0001] The invention relates to a method for preventing and treating diseases of river crabs. Background technique [0002] In the cultivation of river crabs, with the continuous expansion of the cultivation scale and the continuous increase of the cultivation years, the diseases of river crabs are becoming more and more serious, especially the occurrence of "shivering disease" of river crabs, which often leads to the annihilation of the entire army of cultured river crabs. Currently, the commonly used The method is to mix the drug with water to spray the whole pond for disinfection when the crab is ill, and at the same time use the drug to make bait for the crab. The control effect is not obvious, and the death phenomenon of river crabs is serious, which not only wastes money, but also increases the drug residue in river crabs, and also pollutes the water body environment. SUMMARY OF THE INVENTION [0003] The invention provides a method for preventing an...

AI Technical Summary

Problems solved by technology

[0002] In the cultivation of river crabs, with the continuous expansion of the cultivation scale and the continuous increase of the cultivation years, the diseases of river crabs are becoming more and more serious, especially the occurrence of "shivering disease" of river crabs, which often leads to the annihilation of the entire army of cultured river crabs. Currently, the commonly used The method is to mix the drug with water to spray the whole pond for disinfection when the crab is ill, and at the same time use the drug to make bait for the crab. The control effect is not obvious, and the death of river crabs is serious, which not only wastes money, but also increases the drug residues in river crabs, and also pollutes the water environment