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How are affected pigs identified? The Ministry of Agriculture publishes the criteria
Recently, the Veterinary Bureau of the Ministry of Agriculture and the China Institute of Veterinary Drug Control jointly compiled and issued the "Safe Use Manual for Inactivated Vaccine against Highly Pathogenic Porcine Reproductive and Respiratory Syndrome," publishing the quality standards for the inactivated vaccine against porcine reproductive and respiratory syndrome, and also publishing the criteria for identifying affected pigs. The manual stipulates that the criteria for identifying affected pigs are: a body temperature above 41°C for at least 3 days; decreased spirit and appetite, conjunctivitis, and respiratory symptoms such as coughing and wheezing; and on gross necropsy, patchy consolidation appearing in the apical or cardiac lobe of the lungs. Meeting the above three criteria means
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