Prevention and treatment measures for several common respiratory diseases in pigs
For large-scale pig farm farmers, pig respiratory disease has always been an important disease that plagues pig farms. It has a wide epidemic and is difficult to control, causing great losses to the farm. The following is a comprehensive analysis of the cases of patients who have been admitted to the Xingtai City Veterinary Hospital in Hebei Province in recent years. The common respiratory diseases of pigs are described below. Need the farmers to come and learn to try.
1. Porcine reproductive and respiratory syndrome
Main clinical symptoms
Piglets and growing pigs, body temperature increased to 39.5 ~ 42 ° C, showing heat, drowsiness, loss of appetite, fatigue, difficulty breathing, cough, abdominal breathing and eyelid edema, diarrhea, ear tip to ear skin blemishes, neurological symptoms . A small number of sick pig ears, genitals, abdomen and nose and mouth skin are blue-purple, and the most common is the ear tip. Sows have elevated body temperature, loss of appetite, limbs, tails, nipples, vulva and ear tips, among which ear tips are common; pregnant sows have miscarriage (mostly in late pregnancy), premature delivery, stillbirth (fattal births) Dissolved, edema, brown skin), mummified fetus, weakened larvae; sows delayed estrus, repeated infertility or no estrus. Boars are anorexia, depression, lethargy, fever, abnormal breathing, loss of libido, decreased semen quality, and reduced ejaculation.
2. Prevention and control measures
Promote self-support and self-support, and strictly test when introducing. Regular disinfection of pig houses, production work and vehicles. Timely vaccination, inactivated vaccine is suitable for pre-breeding and annual routine immunization of sows and breeding boars; live vaccines are suitable for immunization of piglets and nursery pigs.
Second, the pig lung disease
Main clinical symptoms
The most urgent type (ie, septic type): the body temperature suddenly rose to 41 ~ 42 ° C, stop eating, mucous membrane bruising, throat redness and swelling; mouth gasping, mouth foam, dog sitting posture, and finally suffocation and death. Acute type: body temperature rises above 41 °C, short coughing, dyspnea, wheezing, chest tenderness, erythema and bleeding on the skin; nasal purulent mucus, sometimes mixed with blood. Chronic type: cough, difficulty breathing or occasional asthma, weight loss, suffocation.
2. Prevention and control measures
Immunization with swine lung disease attenuated vaccine or pig triple vaccine, inoculated pigs should not use antibacterial drugs within 1 week before and after inoculation. The sick pigs are treated under strict isolation conditions, and the commonly used therapeutic drugs are penicillin and sulfonamides.
Third, mycoplasma pneumonia
Main clinical symptoms
The main clinical symptoms of Mycoplasma pneumoniae are dry cough and asthma. Especially in the morning, at night, after exercise, after eating is most obvious. After infection of newborn piglets and piglets, respiratory symptoms rarely occur, but weight loss and slow growth; most of the pigs are mainly pneumonia; adult pigs are recessive and subclinical.
2. Prevention and control measures
Self-supporting, eliminating infected positive pigs, and doing immunization. Treatment with drugs such as tilmicosin, tiamulin, and quinolones.
Fourth, porcine infectious pleuropneumonia
The main clinical symptoms are the main symptoms of infectious pleuropneumonia, the body temperature rises above 41.5 ° C, depression, no food, and then difficulty breathing, accompanied by paroxysmal cough, foamy secretions with blood flowing from the nose and mouth before sudden death The skin of the ear, nose and limbs is purple-blue, often suffocating and dying within 1 day. If the symptoms are mild, if you can spend more than 4 days, you can gradually recover or become chronic. At this time, the body temperature of the sick pig is not high, intermittent cough occurs, and growth is slow.
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