Water mold disease
The sick crab body surface, especially the wound area, the growth of cotton wool-like mycelium, the sick crab slow action, feeding reduced, the wound does not heal, resulting in the wound area of the tissue ulceration and spread, resulting in death. The disease is caused by the wounding of the crab and the invasion of mold into the wound.
Prevention and control methods:
①Do not injure the crabs in the process of cuttings, transportation, stocking and other operations.
② Use peacock green 0.25ppm, splash the whole pool, and then apply it again after 5 days.
3) Use saline water 3%~5%, dip and wash the sick crab for 5 minutes, and use iodine 5%, smear the affected area.