Prevention and control of Chinese fish carp disease

[pathogen] Chinese fish bream, female adult camp permanent parasitic life.

34-1 Chinese Fish Carp

[symptoms] in mild infection, there are generally no obvious symptoms; in severe infection, the diseased fish have difficulty breathing, restless, spin or swim wildly on the surface of the water, and the leaves on the caudal fin are often exposed to the surface of the water. People call it "tail warping disease" and finally lose weight and suffocate to death. The mucus on the gills of the diseased fish increased, the ends of the Gill filaments were dilated and pale, and there were many small maggot-like parasites.

34-2 diseased fish Gill, parasitic at the end of the Gill filament

[epidemic situation] it occurs all over the country, which mainly harms grass carp, silver carp and bighead carp over 2 years old, and can cause death of diseased fish in serious cases.

[diagnosis] preliminary diagnosis was made according to symptoms and epidemic situation, and microscopic examination was needed to identify the types.

[prevention and control methods] to carry out comprehensive prevention. The treatment was sprinkled with crystal trichlorfon and ferrous sulfate mixture (5:2) or copper sulfate and ferrous sulfate mixture (5:2) 0.7ppm throughout the pool.