Korean J Vet Res > Volume 57(2); 2017 > Article
Korean Journal of Veterinary Research 2017;57(2):143-146.
DOI: https://doi.org/10.14405/kjvr.2017.57.2.143    Published online August 11, 2017.
Porcine ear necrosis syndrome by coinfection of porcine reproductive and respiratory syndrome virus and Staphylococcus hyicus
Seunghee Lee, Ji-Youl Jung, Seong-Hee Kim, Jong-Wan Kim, Jung-Won Park, Dae-Young Kang, Ji-Woong Her, Yea-Ji Jeong, Byung Jae So, Soon-Seek Yoon
Animal Disease Diagnostic Research Division, Animal and Plant Quarantine Agency
PRRSV와 Staphylococcus hyicus 복합감염에 의한 돼지 귀 괴사 증후군 증례 보고
이승희, 정지열, 김성희, 김종완, 박중원, 강대영, 허지웅, 정예지, 소병재, 윤순식
농림축산검역본부 질병진단과
Porcine ear necrosis syndrome is characterized by erosive and ulcerative lesions at the margin or tip of the pinna. Three growing pigs of different ages exhibited retarded growth accompanied by reddening and necrosis of ear prior to death. Gross examination showed reddening, swelling, black discoloration, scaling, and variable-sized yellowish materials and edema in ear cross section. Microscopically, thrombosis, abscess, ulceration, epidermal hyperplasia, and dermal pyogranulomatous inflammation with an intralesional bacterial colony were observed. Staphylococcus hyicus was isolated in all pigs' ears and porcine reproductive and respiratory syndrome virus was detected by PCR and immunohistochemistry.
Key Words: Staphylococcus hyicus, ear, necrosis, porcine, porcine reproductive and respiratory syndrome

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