1. Pathogens: anchor heads, females, adults, camps, permanent parasitic life.
2. Symptoms: Mistletoe in the head of the fish, eyes, skin, fins, gills, and mouth, where swelling and irritation occur in the parasites. When a large number of parasitism occurs on the surface of the fish, the fish seems to be covered with a coat of clothing. When a large number of parasites are in the mouth, the mouth of the diseased fish cannot be closed.
3. Epidemic: Occurred in all parts of the country, especially in Guangdong, Guangxi, and Fujian, and endangered species of freshwater fish such as cockroaches, cockroaches, clams, grasses, cockroaches, and California clams. All age groups of fish were affected, especially fish species. When 4 or 5 parasites are parasitized, they can cause the diseased fish to die; the paralyze is mainly harmful to 100 grams or more, and the parasites are parasitized in the oral cavity. When severe infection occurs, the mouth cannot be closed, and the diseased fish cannot starve to feed.
4. Diagnosis: Diagnosis can be made with a naked eye.
5. Treatment methods: (1) In the whole pool, crystals of trichlorfon are poured out, and 0.3 to 0.7 grams of medicine is injected per cubic meter. It is necessary to continuously spray the medicine for 2 to 3 times, and the number of days for each interval depends on the water temperature. (2) Add 2 to 2.5 grams of fish and insects per kilogram of feed. Mix well and prepare into pellets with good stability in the water. Feed 3 days for killing the female, and then exhale the crystal trichlorfon. it is good. (3) Twenty-five grams of glycdecarb should be given per kilogram of feed. Mix well and make pellets with good stability in the water. Feed three days, kill the females, and then splash the crystal trichlorfon. better.
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