Comprehensive control technology of swine influenza

Porcine influenza is an acute and highly contagious disease caused by the synergistic action of porcine influenza A virus and Haemophilus suis. It occurs in pigs of different ages, genders and breeds. As soon as it becomes ill, it quickly spreads to the whole population. Symptoms such as high fever, cough, dyspnea, etc. Most of the diseased pigs show a benign process, which can cause death when there are complications.

First, the cause: due to the sudden change of climate, suddenly cold and hot, Wei Qi can not resist the outside, the evil of wind-cold, wind-heat invades the skin and muscle surface, and spreads to the lungs, resulting in this disease.

Sick pigs have a sudden fever with a temperature rising to 40.3-41.5 ℃, sometimes as high as 42 ℃; loss of appetite or loss of appetite; pain in muscles and joints, reluctance to stand up; shortness of breath, abdominal breathing, and spasmodic cough; dry and stiff feces; redness of the skin all over the body, and mucus outflow from the eyes and nose.

Second, prevention: mainly lies in strengthening the management of pig feeding to avoid catching cold. Keep the enclosure warm in late autumn and early winter. Regular elimination of pulmonary filariasis and ascariasis is of great benefit to the prevention of the disease.

In addition, piglets were vaccinated with inactivated swine influenza virus H1N1 or H3N2 vaccine after weaning, and sows were vaccinated before mating, after mating or 4 weeks before delivery.

Third, treatment: after the onset of the disease is mainly symptomatic treatment, the author summarizes nearly 20 years of treatment experience, generally 1-2 days can be cured.

⑴ for those with high fever, loss of appetite or abstinence, each diseased pig was given 5-15 ml of Bupleurum injection, 3-10 ml of 30% analgin, 5-15 ml of ribavirin and 2-6 mg of dexamethasone sodium phosphate mixed intramuscularly once or twice a day.

⑵ water acupuncture therapy: egg white 10-15 ml, compound aminopyrine 5-10 ml, penicillin 40-800000 units mixed and injected into Dazhui acupoint. Once a day for 2-3 days.

⑶ blood acupuncture treatment: in the ear tip, tail tip, Yongquan, dripping and other acupoints with wide needle or triangular needle bloodletting 3-10 ml.

⑷ traditional Chinese medicine therapy: 10 grams of chrysanthemum, 12 grams of perilla, 12 grams of peppermint, 15 grams of tangerine peel, Bupleurum, Poria cocos, forsythia, 25 grams of fresh bamboo leaves, 8 grams of licorice, decoction, 1 dose a day.

The above methods can be used together with 1 or 2 kinds of methods, and the effect is very good.