Pathological and Etiological Study of the Swine High Fever Syndrome(SHFS)in Central Region of Shandong Province

摘要

To study the pathological changes and the etiological agent of the Swine High Fever syndrome (SHFS)in central region of Shandong Province.we diagnosed the Clinical symptoms and the pathological changes of 109 cases of 56 pig farms and collected 363 serum samples from Jan.2011 to Mar.2012..(Method)Three viruses were detected on tissue samples by histopathological,immunohistochemical examination and PCR or RT-PCR,including classical swine fever virus (CSFV),porcine reproductive and respiratory syndrome virus(PRRSV),porcine circovirus type 2 (PCV-2).Serological tests were used for detecting prevalence of CSFV,PRRS,and PCV-2 antibody by ELISA.