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| A case of mixed infection of porcine circovirus and Haemophilus suis Add Time：2012.08.23 Views：603 |
| Porcine circovirus is caused by porcine circovirus, is a multiple of the weaned piglets respiratory infectious disease, decrease and pig body weight loss, diarrhea, cough, asthma, dyspnea, anemia and jaundice as the main features of infectious diseases. It is characterized by multiple serosa and arthritis, pleurisy, peritonitis, pericarditis, meningitis and concomitant pneumonia. It's a high infection rate and high mortality, causing serious economic losses to the pig farmers. In order to reduce the losses, we combine the actual cases with the following treatment measures. First, the incidence In May 28, 2011, Hunan Miluo a pig farm and 200 head of nursery pigs, average weight of about 30kg, the injection side pig vaccine 2 days ago, the individual pig found that the eyes have a sticky secretion, diarrhea, note after seedling flock disease, have a fever accompanied by anemia, diarrhea, cough, gasp, pig whole group incidence, incidence rate 100%, serious sick pigs have 35 heads, 5 day mortality was 2.5%. After detailed inquiry, spot incidence, clinical symptoms and autopsy observation, laboratory examination and many years' comprehensive experience confirmed that porcine circovirus and Haemophilus suis mixed infection. Two 、 clinical symptoms The proportion of acute onset of the pig is relatively rare, well, a temperature of 41 C and 42.5 C, skin flushing into red sauce, then suddenly fell to the ground, body trembling, shortness of breath, often with abdominal breathing, nostril with purulent nasal fluid overflow, joint swelling, stiff gait, eyes closed, appear ataxia. Some body skin bleeding, the tip size of the coat is thick chaos, anemia and jaundice after failure. Three 、 anatomical changes In autopsy, the basic changes of the viscera in 3 pigs were consistent. There were a lot of yellowish effusion in the chest cavity and pericardium. There was a large amount of fibrin like exudate in the chest, covering the heart, and the lung showed interstitial pneumonia. The lungs and heart are wrapped in cellulose like material and adhered to the chest cavity. The whole body lymph node enlargement, the pale section is marble like, the liver and the spleen hardens. The kidney is pale yellow, the surface has scattered in different sizes of gray and white necrotic foci, renal papilla bleeding spots, joints swelling, deformation, incision, swollen joint cavity, can be seen yellowish yellow liquid overflow. Four 、 diagnosis After the disease, clinical symptoms, autopsy changes and combined with many years of comprehensive experience to determine the type of porcine circovirus type II secondary Haemophilus suis disease. Six, treatment plan 1, treatment: the incidence of severe isolation treatment of pigs. Every morning with pig strong antibody per kilogram of intramuscular injection of 0.1ml plus Astragalus antitoxin by intramuscular injection of 0.2ml per kg per day, each time, the afternoon fever mixed tratch injection intramuscular injection of 0.2ml per kg once daily for three days. 2, drinking water: every ton of water to add glucose powder 5kg, golden growth peptide 500g, used for 5 days. 3, mix: feed per ton of fluoride peptide (florfenicol + azithromycin), 1000g+ astragalus polysaccharides, extract powder 1000g; used for 7 days. 4, the treatment rate of the virus after 2 days of treatment when pigs have significantly improved, the feed intake increased continuously, after 5 days of treatment were observed to restore the health of all the basic pigs, 7 days of recovery, mortality 5, treatment rate of more than 97%. Seven, disinfection prevention and control Strengthen management, adhere to Farrow, be all in all out principle, strengthen the introduction of quarantine to prevent the introduction of pathogens, regular disinfection rooms and the surrounding environment, during the course of the disease every day disinfection pigsty, generally use the "junduging iodine (PVP-I)" 1:1500+ "virus might kill bacteria" 1:1000 (glutaraldehyde) alternate use of disinfection, better ventilation, good piglets, pig maintain environmental health, reduce stress. |
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