Common disease control methods of crucian carp: these three cases cannot be ignored!

Many aquaculture friends should encounter some problems, such as diseases or output, and so on. Crucian carp culture is a very extensive project in our country, with large aquaculture groups and large scale, more and more people are involved in this industry. With the continuous opening of the market and the further increase of culture density, it is inevitable that lawbreakers begin to use antibiotics and other agents, resulting in frequent diseases of crucian carp and spread in a short period of time. So do you know the prevention and control methods of common diseases of crucian carp? Come and study together!

Control methods of common diseases of crucian carp

1. Water mold

This is a common disease of crucian carp. Water mildew is caused by fungi parasitic on the body surface of crucian carp, when the water temperature is 10-15 degrees Celsius, fungal spores are easy to reproduce, and then the breeding density should be too much, crucian carp in swimming or other reasons lead to body surface abrasions, when fungi wait for an opportunity to attach, sprouting parasites in the wound site, with the gradual spread of reproduction, resulting in mold on the surface of other crucian carp, finally abnormal swimming, loss of appetite, weakness and death.

Prevention and control methods: because water mildew generally occurs in a period of low temperature, such as spring, we can start from the breeding density, and then record the time of each disinfection, the water quality problem can not be ignored.

2. Hemorrhagic disease

Hemorrhagic disease mainly occurs in the environment with poor water quality management and water quality deterioration, especially in the highly intensive culture environment, which is very frequent, the incidence is surging, the infection is very fast, and the mortality rate is high. This kind of disease is very serious for crucian carp, every part of the disease will occur hyperemia, viscera will also appear.

Prevention and treatment methods: regular disinfection, injection of new water, sprinkling with improvers to improve water quality, strengthening water quality management, crushing 2-3 tablets of virulent, feeding and feeding with No. 1 per 5kg1, which can be cured for one week.

3. Red mumps disease

Crucian carp red mumps disease occurs when concentrated in the high temperature stage, when the water temperature is about 20-26 degrees, when the disease crucian carp in 5-10 cm from the surface of the water is motionless, with things afraid of hitting, will droop, but after a while will remain motionless. In addition, the diseased fish is black, and the cheeks are congested and swollen.

Prevention and treatment: because red mumps is mainly caused by water temperature, we must pay attention to the problem of disinfection every day. The water temperature and water quality should be well regulated, and the carbohydrate content of the feed should not exceed 40%. Strontium perchlorate can be used to sprinkle the pond to cure the disease.

The problem of prevention and control of common diseases of crucian carp is summarized here today. Now, as long as the cause of crucian carp culture is found, it is relatively easy to diagnose and treat.