The symptoms of mild infection are not obvious. In severe infection, the sick pigs mainly show weight loss, stunting and strong paroxysmal cough, especially in the morning and evening, exercise, and cold air when eating. At the beginning of the disease, there was an appetite. After that, the appetite decreased or even became abolished. The spirit was depressed, extremely thin, and the breathing was difficult. Finally, it was extremely weak and died. Even if it is cured, growth is still slow.
First, the prevention of roundworm disease in pigs
1, regular deworming
In the endemic areas of porcine pulmonary nematode disease, piglets and adult larvae are regularly dewormed on the basis of fecal examinations in spring and autumn.
2, stool treatment
Regularly clean the pig manure and keep the pig house clean and hygienic. At the same time, the cleaned pig manure is transported to a place far away from the pig house for biothermal fermentation. Pig houses and playgrounds are often disinfected with 1% hot water or 30% grass grey water to kill eggs.
3, to prevent pigs from eating 蚯蚓
The construction of the farm should choose the place where the highland is dry, as well as the concrete floor or the wooden pig bed; pay attention to the drainage, keep it dry, create the conditions of no breeding; avoid grazing in the low-lying and wet areas.
4, strengthen feeding management
Strengthen daily management, feed fresh feed; pay attention to full-price nutrition and enhance the ability of pigs to resist disease.
Second, the treatment of roundworm disease
1. Levothiazole: 15 mg/kg body weight, 1 intramuscular injection, 1 time or 10 mg/kg body weight at 4 hours intervals, mixed with feed once, 100% for 15 day old larvae and adults Efficacy.
2, tetraimidazole: 20-25 mg / kg body weight, oral or 10-15 g / kg body weight, intramuscular injection.
3, cyanoacetyl hydrazine: 7.5 mg / kg body weight, oral or 15 mg / kg body weight, skin injection, injection, once a day, for 3 days.
4, sea group (ethylamine): 100 mg / kg body weight, dissolved in 10 ml of water, subcutaneous injection, once a day, for 3 days.
5, Afuding injection: 1 mg per 33 kg body weight, subcutaneous injection. Oral agent, 10 mg per 30 kg body weight, orally.
6, flufenazole: 5 mg per kilogram of body weight, mixed feed, l times to feed.
7, for pigs with severe pneumonia, while using anthelmintic drugs, you can also use penicillin, streptomycin for 3 days, help the recovery of pneumonia.
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