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Which diseases cause high fever in pigs without purple patches on the skin?
1. Japanese encephalitis: The body temperature of affected pigs is 40-41°C, with teeth grinding, circling, visual impairment, and blind charging. Sows abort, and boars develop orchitis, which gradually atrophies and hardens, causing loss of breeding ability. For treatment and drug prevention, antiviral preparations such as amantadine and ribavirin combined with interferon, along with traditional Chinese medicine preparations for clearing heat and detoxifying, and antipyretic-analgesic preparations, should be used together, which has a certain therapeutic effect. 2. Pseudorabies: It mostly occurs in piglets aged 1-4 weeks, and piglets over 60 days of age show mild symptoms. Body temperature is 41-42°C. In the early stage of the disease, the pigs are restless and excitable
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