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Antimicrobial resistance
Confirmation of LA-MRSA in pigs in the UK
  1. Helen Hartley1,
  2. Conrad Watson1,
  3. Patrick Nugent2,
  4. Norman Beggs2,
  5. Elizabeth Dickson3 and
  6. Angela Kearns4
  1. 1AFBI, Veterinary Sciences Division, 12 Stoney Road, Ballymiscaw, Stormont, Belfast BT4 3SD
  2. 2AFBI Omagh, 43 Beltany Road, Omagh BT78 5NF
  3. 3 Scottish MRSA Reference Service, Scottish Microbiology Reference Laboratories, New Lister Building, Glasgow Royal Infirmary, 10-16 Alexandra Parade, Glasgow G31 2ER
  4. 4 Staphylococcus Reference Service, Antimicrobial Resistance and Healthcare Associated Infections Reference Unit, Public Health England, 61 Colindale Avenue, London NW9 5EQ
  1. e-mail: Helen.Hartley{at}

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WE wish to report the isolation of livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) from a postweaning piglet in Northern Ireland. While LA-MRSA is a relatively common finding in pigs in some EU countries (EFSA 2009a), we believe this to be the first reported isolation of LA-MRSA from a pig in the UK.

The piglet was one of a group of five piglets submitted to the Omagh disease surveillance laboratory of the Agri-Food and Biosciences Institute (AFBI) in May 2014 with a history of pneumonia and wasting. There was a history of 10 per cent piglet postweaning mortality over the previous two to three months on the farm involved.

Gross postmortem findings and …

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