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《Guangdong Journal of Animal and Veterinary Science》 2010-01
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Histopathological study of Streptococcus Suis disease

Li Xiao-shan1,2,Yang Feng-li1,Zeng De-nian2,He Bao-xiang1(1.College of Animal Science and Technology,Guangxi University,Nanning 530005,China;2.College of Veterinary Medicine,Hunan Agricultural University,Changsha 410128,China)  
In order to gain a further understanding on the pathology of streptococcus suis disease,we used the methods of pathological anatomy and histopathology to research the pathological characteristics of three 8-month-old pigs challenged by Streptococcus suis.The results showed that petechia and ecchymosis could be seen on the skins of auricle,neck and abdomen,and at the end of limbs in dead pigs.Severe congestion and hemorrhage lesions were observed in many organs.Hemorrhagic spot upheaval and hemorrhage infarcted area were seen on the surface of spleen.There were sawtooth processus on the edge of spleen and slight processus on the section.Joint swollen,yellow exudation in the articular cavity and fibrinoid osteoid vegetation in the glenoid fossa after incision also were the dominant features of this disease.Hemorrhage in various degree and neutrophils infiltrate in internal organs could be seen,besides other particular pathology could be seen in each organ.
【CateGory Index】: S858.28
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