Prevention and treatment of rotten limb disease of crab

Crab rotten limb disease generally occurs from May to August every year, the main symptom is intestinal and appendage decay, at the same time, the food intake of diseased crabs also began to decline, or even refused to eat, and then died because of being unable to molt.

Prevention and treatment of rotten limb disease of crab

1. Sprinkle and disinfect the whole pool regularly with quicklime 15 mg / L water or bleach 1 to 1.5 mg / L water.

2. Sprinkle the whole pool with 0.5 to 1 mg / L of oxytetracycline.

3. Sprinkle and disinfect the whole pool with bromochlorohydantoin or chlorine dioxide for 2 days.

4. Feed 1000 kg of florfenicol 0.5 kg for 3 days.