Shiji powder for preventing and treating taura syndrome virus and preparation method thereof

Abstract

The invention discloses a gypsum-Japanese thistle powder used for preventing and treating red body disease of prawns and a preparation method thereof. The powder is mainly made of the following raw materials by weight portions: 15-40 portions of the gypsum, 5-15 portions of the Japanese thistle, 5-15 portions of buffalo horn and 10-20 portions of peppermint. The preparation method comprises the following steps: the gypsum, the peppermint, the buffalo horn and the Japanese thistle are respectively crushed into gypsum powder, peppermint powder, buffalo horn powder and Japanese thistle powder, then all of the powders are put into an oven respectively for drying, and the dried gypsum powder, the dried peppermint powder, the dried buffalo horn powder and the dried Japanese thistle powder are respectively poured into a mixer at the weight proportions. The powder can significantly strengthen immunity of the prawns, and has significant inhibitory effect on taura syndrome virus, and can quickly reduce the mortality rate of the prawns after application, thus fully ensuring the economic benefits of the prawn farmers. The powder is a pure Chinese materia medica preparation, which has no toxicand side effect and results in no drug residue in prawn bodies, so the quality of the prawn products can be ensured effectively.

Description

technical field [0001] The invention relates to a medicine for aquatic products, in particular to a Shiji powder for preventing and treating shrimp red body disease and a preparation method thereof. Background technique [0002] The red body of prawns is caused by the infection of taura virus in prawns. After the disease, the prawns do not eat or eat a small amount of food, swim slowly on the water surface, are weak, the shell is soft, the digestive tract is empty, and there will be red spots on the appendages. Hyperpigmentation, especially in the tail legs, telson, and ventral limbs. Sometimes the whole body surface of the shrimp turns red, and the legs of larger-scale diseased shrimp have moths and ulcers at the end, the two tentacles, tail fan, and gastrointestinal tract all turn red, and the hepatopancreas is enlarged, white, and transparent. In the carapace of sick shrimp, the muscle can be found to change from translucent to white, especially at the end of the abdome...

AI Technical Summary

Problems solved by technology

[0003] The present invention mainly solves the technical problems that the traditional prevention and treatment of red body disease of prawns does not cure the symptoms, the effect is not ideal, and the drug poison remains in the shrimp body.