Symptoms, epidemic characteristics, prevention and treatment of white head and mouth disease
(1) the pathogen is caused by myxococcus invading fish.
(2) the head and mouth of the diseased fish are milky white, and the lips seem to be swollen, so that the mouth can not be opened and closed and it is difficult to breathe. Seriously diseased fish, ulcers in the diseased part, and congestion in the head of some fish. Sick fish floating on the water, thin, red body, slow to respond to people, bait, and soon died.
(3) the epidemic characteristics are generally from the first ten days of May to the end of July. The main damage to ornamental fish fry, the disease is fast, the trend is fierce, the harm is serious.
(4) the prevention and treatment methods were washed with furacilin or furazolidone at a concentration of 20 mg / L for 10 minutes, or sprinkled in the whole pool with 2 mg / L furacillin solution for several days, and then replaced with new water.
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