How to prevent and cure carp hemorrhagic disease when the carp is in a state of hyperemia

In the early stage of carp hemorrhage disease, the mouth, operculum, orbit, fins and fish body of carp were congested. In severe cases, eyeball protrusion, abdominal enlargement, redness and swelling, gill rotting, skin and liver swelling were observed. Cyprinus carpio haemorrhagic disease develops rapidly and has a high mortality rate, and can be prevalent throughout the year.

carp culture

Prevention:

1. Thorough pond cleaning: quicklime 70-100 kg/mu, or bleaching powder 20‰.

2. Regulate the water quality frequently. Starting from the middle of April, throw 20-25 kilograms of quicklime per mu of carp pond every 20 days. From July to August, throw it every 15 days during the epidemic period of carp hemorrhage.

3. In the season of disease, do not pull the net or less, isolate the water source of the diseased carp pond from the undiseased pond, fish out the dead carp and sick carp in time, bury them deeply underground, and disinfect the fishing gear before using it.

Treatment: combination of external elimination and internal administration.

External elimination:

1. 1.0- 1.5g bleaching powder per cubic meter carp pond, spilled in the whole pond.

2. Trichlorfon and potassium permanganate mixture were sprinkled in the whole pool, so that the pool water was 0.5-0.8ppm and 0.8ppm respectively.

3.0.3-0.4ppm strong chlorine, spilled in the whole pool.

4. 300- 400g of high-efficiency water disinfectant per mu of carp pond, splashed all over the pond for three days.

Internal:

1. Norfloxacin: 200 grams per ton of carp feed, continuous feeding for 3-5 days.

2. Chloramphenicol: 500- 1000g per ton of carp feed, continuously fed for three to five days.

3. Friendship medicine No. 3, feed carp continuously for 3-5 days.