Clinical symptoms (1) Acute pneumonia Individual pigs suddenly have a temperature rise of more than 4 1℃, listlessness, loss of appetite or abandonment, especially respiratory symptoms. Sick pigs frequently have short and painful coughs, shortness of breath or difficulty, and sometimes their mouths are salivating and runny nose. At first, it is white serosity, and then it is sticky yellow and white. (2) Chronic pneumonia has a long course. Mainly manifested as cough, asthma or dyspnea, emaciation, normal body temperature, belonging to lobular pneumonia (inflammation of a single lung lobule or multiple lung lobules). It is usually caused by various physical and chemical factors. Fat pigs may also have foreign body pneumonia, mainly by eating powdered feed for a long time and inhaling foreign bodies into trachea and bronchus.
Precautions (1) Pay attention to climate change in peacetime, prevent thieves from invading in cold season, and improve feeding management. (2) Antibacterial drug treatment Take a sick pig weighing 50kg as an example: 20 ml of 2% ciprofloxacin hydrochloride injection, 8 ml of 1% methylene blue injection, and 2.5 ml of 1% atropine sulfate injection, injected into the muscles behind the neck and ears once a day, and generally recovered 4-5 times.
① In order to prevent exudation and promote the absorption and elimination of inflammatory exudates, intravenous injection of 10% calcium chloride 10 ~ 20ml, or calcium gluconate 5 ~ 15g, and 25% glucose injection 500 ~ 1000ml per day can be used.
(2) When sick pigs frequently cough up thick nasal mucus, they can take the expectorant ammonium chloride 1 ~ 2g and sodium bicarbonate 1 ~ 2g orally, and mix them, 1 time. 1 day, 3 times, lasting 2 ~ 3 days.
③ When the body is weak, 200 ~ 300ml of 10% glucose injection is used for intravenous injection.
④ In case of heart failure, subcutaneous injection of 10% caffeinated sodium 2 ~ 10 ml can be used.