Prevention and Control of Trichodinosis in Tilapia Cage Culture

1, pathogens and epidemic situation

The disease is caused by microscopic trichodinosis and significant trichomonad parasites, commonly found in overwintering fish.

2. Symptoms

Diseased fish gills secrete a lot of mucus, severe breathing difficulties occur, the fish body weight loss black, floating in the feng shui surface, do not eat.

3, control methods

(1) Using a potassium permanganate bath, soak the sick fish with 20 mg/L of the liquid for 20-30 minutes.

(2) Use a mixture of copper sulphate and ferrous sulphate (5:2) in a splash-proof box with a concentration of 0.7 mg/l.

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