Prevention and treatment of skin mildew, a common disease in cultured puffer fish
1. etiology
Skin mold is also called water mold or white disease, mainly due to net pulling, transportation, transfer pond and pro-fish artificial reproduction, ripening and spawning, etc. operation is not careful or net cage fish culture makes fish body scratch surface, or parasites destroy fish body surface, by water mold or cotton mold and other fungi invasion wound caused. This disease can occur all year round, mostly in the rainy season.
2. symptoms
Fungi such as water mold or cotton mold invade fish wounds, absorb a large number of nutrients in fish and rapidly reproduce and grow. Fish disease initial symptoms are not obvious, later naked eye can see hyphae from the fish body wound a large number of white-haired growth of outer hyphae. Molds can secrete large amounts of proteolytic enzymes. Fish secretes a lot of mucus after stimulation, restlessness, swimming disorder, slowness, loss of appetite, increased skin mucus, tissue necrosis, severe white-haired hyphae overgrown fish body, finally leading to weak fish body death.
3. prevention
Fish culture process should be strengthened management, careful operation, to avoid fish injuries.
4. treatment
The fish can be soaked in 0.1% saline for 30 minutes at a time and cured several times. After the parent fish is artificially propagated and injured, it shall be put into clean water for isolation and rest in time, and the wound shall be coated with iodinamine ointment. When the fish is seriously injured, 50 - 100,000 units of streptomycin shall be injected per kilogram of fish weight. Fish infected with skin mold should be removed in time to prevent the spread of water mold. 1 part of salt and 1 part of sodium bicarbonate with a concentration of 2%~3% are mixed and sprinkled in the whole pool.
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