Occurrence and characterization of livestock-associated methicillin-resistant Staphylococcus aureus in pig industries of northern Thailand
© 2014 The Korean Society of Veterinary Science. This study was conducted to determine the prevalence of livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) in pigs, farm workers, and the environment in northern Thailand, and to assess LA-MRSA isolate phenotypic characteristic...
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Korean Society of Veterinary Science
2015
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th-cmuir.6653943832-391822015-06-16T08:15:55Z Occurrence and characterization of livestock-associated methicillin-resistant Staphylococcus aureus in pig industries of northern Thailand Patchanee,P. Tadee,P. Arjkumpa,O. Love,D. Chanachai,K. Alter,T. Hinjoy,S. Tharavichitkul,P. Veterinary (all) © 2014 The Korean Society of Veterinary Science. This study was conducted to determine the prevalence of livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) in pigs, farm workers, and the environment in northern Thailand, and to assess LA-MRSA isolate phenotypic characteristics. One hundred and four pig farms were randomly selected from the 21,152 in Chiang Mai and Lamphun provinces in 2012. Nasal and skin swab samples were collected from pigs and farm workers. Environmental swabs (pig stable floor, faucet, and feeder) were also collected. MRSA was identified by conventional bacterial culture technique, with results confirmed by multiplex PCR and multi locus sequence typing (MLST). Herd prevalence of MRSA was 9.61% (10 of 104 farms). Among pigs, workers, and farm environments, prevalence was 0.68% (two of 292 samples), 2.53% (seven of 276 samples), and 1.28% (four of 312 samples), respectively. Thirteen MRSA isolates (seven from workers, four from environmental samples, and two from pigs) were identified as Staphylococcal chromosomal cassette mec IV sequences type 9. Antimicrobial sensitivity tests found 100% of the MRSA isolates resistant to clindamycin, oxytetracycline, and tetracycline, while 100% were susceptible to cloxacillin and vancomycin. All possessed a multidrug- resistant phenotype. This is the first evidence of an LA-MRSA interrelationship among pigs, workers, and the farm environment in Thailand. 2015-06-16T08:15:55Z 2015-06-16T08:15:55Z 2014-01-01 Article 1229845X 2-s2.0-84923182122 10.4142/jvs.2014.15.4.529 http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84923182122&origin=inward http://cmuir.cmu.ac.th/handle/6653943832/39182 Korean Society of Veterinary Science |
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Veterinary (all) Patchanee,P. Tadee,P. Arjkumpa,O. Love,D. Chanachai,K. Alter,T. Hinjoy,S. Tharavichitkul,P. Occurrence and characterization of livestock-associated methicillin-resistant Staphylococcus aureus in pig industries of northern Thailand |
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© 2014 The Korean Society of Veterinary Science. This study was conducted to determine the prevalence of livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) in pigs, farm workers, and the environment in northern Thailand, and to assess LA-MRSA isolate phenotypic characteristics. One hundred and four pig farms were randomly selected from the 21,152 in Chiang Mai and Lamphun provinces in 2012. Nasal and skin swab samples were collected from pigs and farm workers. Environmental swabs (pig stable floor, faucet, and feeder) were also collected. MRSA was identified by conventional bacterial culture technique, with results confirmed by multiplex PCR and multi locus sequence typing (MLST). Herd prevalence of MRSA was 9.61% (10 of 104 farms). Among pigs, workers, and farm environments, prevalence was 0.68% (two of 292 samples), 2.53% (seven of 276 samples), and 1.28% (four of 312 samples), respectively. Thirteen MRSA isolates (seven from workers, four from environmental samples, and two from pigs) were identified as Staphylococcal chromosomal cassette mec IV sequences type 9. Antimicrobial sensitivity tests found 100% of the MRSA isolates resistant to clindamycin, oxytetracycline, and tetracycline, while 100% were susceptible to cloxacillin and vancomycin. All possessed a multidrug- resistant phenotype. This is the first evidence of an LA-MRSA interrelationship among pigs, workers, and the farm environment in Thailand. |
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Article |
author |
Patchanee,P. Tadee,P. Arjkumpa,O. Love,D. Chanachai,K. Alter,T. Hinjoy,S. Tharavichitkul,P. |
author_facet |
Patchanee,P. Tadee,P. Arjkumpa,O. Love,D. Chanachai,K. Alter,T. Hinjoy,S. Tharavichitkul,P. |
author_sort |
Patchanee,P. |
title |
Occurrence and characterization of livestock-associated methicillin-resistant Staphylococcus aureus in pig industries of northern Thailand |
title_short |
Occurrence and characterization of livestock-associated methicillin-resistant Staphylococcus aureus in pig industries of northern Thailand |
title_full |
Occurrence and characterization of livestock-associated methicillin-resistant Staphylococcus aureus in pig industries of northern Thailand |
title_fullStr |
Occurrence and characterization of livestock-associated methicillin-resistant Staphylococcus aureus in pig industries of northern Thailand |
title_full_unstemmed |
Occurrence and characterization of livestock-associated methicillin-resistant Staphylococcus aureus in pig industries of northern Thailand |
title_sort |
occurrence and characterization of livestock-associated methicillin-resistant staphylococcus aureus in pig industries of northern thailand |
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Korean Society of Veterinary Science |
publishDate |
2015 |
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http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84923182122&origin=inward http://cmuir.cmu.ac.th/handle/6653943832/39182 |
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