Japanese Journal of Veterinary Research;Volume 68 Number 3

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Isolation of methicillin-resistant Staphylococcus aureus ST398 from pigs in Japan

Sasaki, Yoshimasa;Asai, Tetsuo;Haruna, Mika;Sekizuka, Tsuyoshi;Kuroda, Makoto;Yamada, Yukiko

Permalink : http://hdl.handle.net/2115/79328
JaLCDOI : 10.14943/jjvr.68.3.197
KEYWORDS : MRSA;ST398;pig

Abstract

Methicillin-resistant Staphylococcus aureus (MRSA) is a major concern for public health. Recent decades have seen the emergence and worldwide spread of livestock-associated MRSA, particularly sequence type (ST) 398, in pigs. Two investigations were conducted to confirm the presence of MRSA ST398 in domestic Japanese pigs. In the first investigation, nasal swabs were collected from 500 pigs on 50 pig farms between August 2012 and February 2013. MRSA ST398 was isolated from four pigs from a farm. In the second investigation, nasal swabs were collected from 480 pigs on 24 pig farms between November 2013 and March 2014. MRSA ST398 was isolated from 54 pigs on five farms. These results indicate that MRSA ST398 has become established in domestic Japanese pigs.

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