Prevention and treatment of porcine filariasis

Porcine pulmonary filariasis occurs mostly in low-lying wet areas and in summer and autumn. It is endemic and mainly endangers the sub-pig. It affects the growth and quality of the pig and reduces meat quality. Severe infection can cause pneumonia and death.

Symptoms Pigs are symptomatic or insignificant when they are mildly infected. Symptoms are significant in severe infections. After being infected for more than one month, the pigs developed symptoms such as paroxysmal cough, thick yellow nasal mucous membrane, shortness of breath, pale conjunctiva, loss of appetite and weight loss, and some died of suffocating tracheal obstruction.

Prevention First, the practice of self-cultivation and self-cultivation, not to buy pigs from outside to reduce the incoming pigs from the outside. Second, the pig house must be warm in winter and cool in summer, pay attention to ventilation and prevent crowding, keep the pig house clean and sanitary, pay attention to drainage and drying, and prevent breeding of earthworms. Pig manure should be promptly removed for compost fermentation. Third, in the endemic area of ​​this disease, 1% of caustic soda water or 30% of vegetation and grey water can be used to disinfect pig houses and sports grounds. Fourth, regular preventive deworming, 1 or 2 times per quarter.

Treatment I. A total of 13 tablets of levomezole hydrochloride (containing 25 mg of each tablet) were fed once. 2. Intramuscular injection of 6 ml of levamisole hydrochloride injection (worm speed). III. Two 800,000 international units of penicillin, four 500,000 international units of kanamycin sulfate injection, 20 ml of compound aminopyrine injection, 5 ml of dexamethasone sodium phosphate injection, and Houttuynia injection 10 Ml, mixed intramuscular injection, once daily injection, continuous injection for 3 to 4 days. Fourth, tracheal injection. 1.5 g of potassium iodide salt, 3 g of procaine, and 1200 ml of distilled water were mixed and the trachea was injected once per pig with 0.35 ml of body weight. Two injections were performed every two days, followed by two consecutive injections and then another injection every 10 days. Methods: The sick pigs were supine Baoding, the front of the pig was raised and injected in the gap between the 1/4 cartilage rings in front of the trachea. The injection process should be slow. After the injection is completed, the pig body is tilted upwards and the pig is put down when the liquid reaches the bronchus. Tracheal injections and intramuscular injections are used simultaneously and have better results. 5. Subcutaneous injection of ivermectin at a dose of 0.3 mg/kg body weight once daily for 2 days.

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