How to treat the disease of cultured lobster?

In recent years, the demand for crayfish in China is increasing, and the area of culture is also increasing year by year. But in the process of breeding, the invasion of diseases makes farmers have a headache, so how to treat lobster diseases?

How to treat the disease of cultured lobster?

There are many kinds of diseases that harm cultured lobster, and different conditions have different treatments. For example:

1. Black Gill

The symptoms were that the Gill filament of crayfish changed from white to brown, black when dark brown was serious, and part of Gill tissue atrophied and necrotic. Causes the crayfish activity to be weak, lies on the aquatic plant or clings to the aquatic plant body to emerge from the water, moves slowly, finally has difficulty breathing and dies.

Treatment: it is recommended to change the strong effect net bottom every 7 days or so, regularly sterilize the super iodine, regulate the water quality and manage the aquatic plants.

two。 Partial ulceration

When the crayfish body surface injury is infected by bacteria and Vibrio, its carapace will have obvious festering spots, which is generally gray-white and black in severe cases. There are drum bags in the tail fan of the tail, and the edges are festering, necrotic and incomplete.

Treatment: Super iodine sterilization every 15 days, combined with strong bottom net change, can be used twice in severe cases; make up Vibrio natural enemies 24-48 hours after sterilization.

3. Hemorrhagic disease

Due to Aeromonas, the body surface of the diseased shrimp was covered with bleeding spots of different sizes, especially the appendages and abdomen were more obvious, the anus was red and swollen, and soon died.

Treatment: timely isolation of diseased shrimp, sprinkle with 25-30kg raw calcareous water per mu of water in the whole pool; 750g tobacco leaf per mu of water, soak in warm water for 5-8 hours, and add 0.8g florfenicol per kilogram of feed for 3-5 days; music excellent iodine 50ml/ mu, sprinkled in the whole pool.

4. Unsuccessful molting

When crayfish grow in water that lacks certain elements, cracks appear at the junction of the head, chest and abdomen, or the whole body is blackened.

Treatment: 1 ‰-2 ‰ molting was mixed into the feed. Or in the feed mixed with bone powder, eggshell powder and so on to increase the calcium in the feed.

However, although the diseases of cultured lobsters can be treated, prevention should be given priority to, and pond cleaning and disinfection should be done well.