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Changes in pleural effusion increased pleural effusion, lung swelling, hemorrhage, congestion, lung adhesions with the chest cavity, the heart surface has a layer of similar hairy hyperplasia, forming a typical "villi heart" symptoms, inguinal lymph nodes, mandibular lymph nodes, hilar lymph nodes, dark Red, there are a lot of yellow effusion in the abdominal cavity, arthritis, and fibrinous exudation.
The primary diagnosis of Haemophilus parasuis was based on the presence of symptoms and necropsy changes.
The differential diagnosis of the disease often shows high fever, skin flushing, ear cyanosis, dyspnea and other symptoms, easily misdiagnosed as blue ear disease, attached red body disease or toxoplasmosis. Blue ear disease is often accompanied by significant miscarriage of sows and a series of reproductive disorders in breeding pigs. The main hazard of the disease is only 2 weeks to 4 months of age piglets and growing pigs; erythroid disease or toxoplasmosis body surface bleeding and the body surface of the disease skin flushing cyanosis there is a clear difference.
The disease often has symptoms such as high fever, wheezing, and difficulty breathing. It is easily misdiagnosed as flu. Swine flu mostly occurs in the winter and spring seasons, and the incidence is sharp. Once it happened, it quickly spread in the pigs. The symptoms of the pig's spirit were drastic, coughing, and sneezing. If there were no secondary and complications, the symptoms of facial ear spasms were rare, and they often recovered and healed after a week or so. There were few deaths. .
The disease is often misdiagnosed as pleural pneumonia due to symptoms such as elevated body temperature, coughing, and difficulty breathing. Pleuropneumonia showed symptoms of cough and difficulty in breathing, and the degree was severe. Sometimes the dog was in a posture of breathing and breathing. The sick pig had a slight cough and only showed 2 to 3 short coughs at a time.
The disease is often misdiagnosed as a circovirus infection with symptoms such as progressive wasting and rough hair. Circovirus infection is not treated with antibiotics. The disease can be treated with sensitive drugs at the beginning of the disease.
The disease is often misdiagnosed as streptococcal disease with joint swelling, pain, claudication, and neurological symptoms. Although streptococcal disease has symptoms of arthritis and meningitis, typical symptoms of flushing and ear cyanosis rarely occur.
The disease is often misdiagnosed as asthma due to cough and abdominal breathing. Asthma is usually caused by a small number of individual attacks, and the course of disease is milder. Sustained cough, effective treatment with mycoplasma sensitive drugs. The disease is a short cough for two or three voices, and many accompanied by body surface, ear cyanosis, joint swelling and pain and meningitis and other symptoms. Prevention and control measures thoroughly clean the pig house, use Weiyuan Jin Weikang 1:600 ​​spray disinfection, continuous spray disinfection for 4 days to 5 days.
For the entire group of pigs, Zhongwei gathers 1,000 grams of water to collect 1 ton of water and even drinks for 5 days to 7 days to enhance the body's resistance and reduce the stress response.
Recommended treatment program: Melissin 125g + Yinqiaosan 2000g + Mowexin 1000g/ton material, injection can be used Taixin 100, Fluroxin and so on.
Scale pig farms should pay attention to Haemophilus parasuis
Incidence of disease on a large-scale farm in Hebei Province, 5-week-old piglet disease, manifested as fever, body temperature increased to 40 °C ~ 41.5 °C, mental euphemism, loss of appetite, cough, dyspnea, abdominal breathing, individual pigs Redness of the skin, purple hair on the tip of the head, reluctance to stand, flanked on one side or side, swollen wrists, sacroiliac joints, rough hairs; death of pigs with rough hair, limbs showing meningitis symptoms .