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Bulletin of the Veterinary Institute in Pulawy

The Journal of National Veterinary Research Institute in Pulawy

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2300-3235
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Histopathological and cytopathological findings in minipigs infected with Streptococcus suis serotype 2

Chun Xie
  • Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiaotong University, Shanghai 200240, China
/ Yi-Xuan Hou
  • Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiaotong University, Shanghai 200240, China
/ Yu-Ting Zhao
  • Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiaotong University, Shanghai 200240, China
/ Xue-Hui Cai
  • Division of Swine Infectious Diseases, National Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute of Chinese Academy of Agricultural Sciences, Harbin 150001, China
/ Cai-Ying Li
  • Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiaotong University, Shanghai 200240, China
  • College of Veterinary, Inner Mongolia Agriculture University, Huhhot 010018, China
/ Pei-Feng Li
  • College of Veterinary, Inner Mongolia Agriculture University, Huhhot 010018, China
/ Yun-Zhang Li
  • College of Veterinary, Inner Mongolia Agriculture University, Huhhot 010018, China
/ Xue Su
  • Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiaotong University, Shanghai 200240, China
  • College of Veterinary, Inner Mongolia Agriculture University, Huhhot 010018, China
/ Xiu-Wei Yue
  • Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiaotong University, Shanghai 200240, China
/ Shu-Jie Wang
  • Division of Swine Infectious Diseases, National Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute of Chinese Academy of Agricultural Sciences, Harbin 150001, China
/ Yong-Gang Liu
  • Division of Swine Infectious Diseases, National Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute of Chinese Academy of Agricultural Sciences, Harbin 150001, China
/ Wei-Jun Yang
  • Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiaotong University, Shanghai 200240, China
  • College of Veterinary, Inner Mongolia Agriculture University, Huhhot 010018, China
/ Cong-Li Yuan
  • Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiaotong University, Shanghai 200240, China
/ Li Cu
  • Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiaotong University, Shanghai 200240, China
/ Xiu-Guo Hua
  • Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiaotong University, Shanghai 200240, China
/ Zhi-Biao Yang
  • Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiaotong University, Shanghai 200240, China
  • Email:
Published Online: 2014-06-17 | DOI: https://doi.org/10.2478/bvip-2014-0030

Abstract

Five pathogen-free miniature pigs (minipigs) were infected with the virulent strain SH08 of Streptococcus suis 2 (SS2) by intramuscular injection. The pigs died consecutively within 72 h after the challenge. An additional five non-infected pigs were euthanised and used as controls. Microstructural observations showed that degeneration, bleeding, congestion, cellular necrosis, and an increase in inflammatory cells were present in all organs and tissues except the brain. Ultrastructural observations revealed mitochondrial vacuolation and malformed or missing cristae, indicating that infection of minipigs with strain SH08 of SS2 can lead to extensive lesions in major internal organs and tissues. The findings also demonstrated that the minipig is a useful model for the study of SS2 infection.

Keywords: miniature pig; Streptococcus suis 2; experimental infection; histopathology; cytopathology.

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About the article

Received: 2013-11-10

Accepted: 2014-05-21

Published Online: 2014-06-17

Published in Print: 2014-06-01



Citation Information: Bulletin of the Veterinary Institute in Pulawy, ISSN (Online) 2300-3235, DOI: https://doi.org/10.2478/bvip-2014-0030. Export Citation

© National Veterinary Research Institute in Pulawy. This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY-NC-ND 3.0)

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