Toxigenic Type A Pasteurella multocida as a Causative Agent of Nasal Turbinate Atrophy in Swine

Journal of Veterinary Medical Science

Shizuo SATO¹  Munenori OKADA¹  Tetsuya SAKANO¹  Masaaki ONO¹  Youichi HAYASHI¹  Atsuyoshi TANEDA¹ 

关键词: atrophic rhinitis;    toxigenic type A Pasteurella multocida;   

DOI  :  10.1292/jvms.54.403

学科分类：兽医学

来源: Japanese Society of Veterinary Science

【 摘 要 】

References(20)Cited-By(2)Although no clinical signs of atrophic rhinitis (AR) were recognized in 2- and 5-week-old pigs, approximately 60% of 2- to 6-month-old pigs showed clinical signs of AR in an affected pig farm. None of the pigs had normal turbinate at slaughter. Bordetella bronchiseptica was not isolated from any of the pigs before onset and incipient stage of the outbreak (2-week to 2-month-old). Pasteurella multocida of capsular type D was not isolated from any of those pigs. However, toxigenic P.multocida of capsular type A was isolated from a number of the pigs immediately before onset and incipient stage of the outbreak. Thirty-six-day-old primary specific-pathogen-free pigs were inoculated intranasally with a toxigenic type A P.multocida isolated from a 5-week-old pig. Severe nasal turbinate atrophy was observed in those pigs which were necropsied at 3 weeks post-inoculation. This is the first report on outbreak of severe nasal turbinate atrophy induced by toxigenic type A P.multocida in Japan.

【 授权许可】

Unknown