Isolates, Antimicrobial Susceptibility Profiles and Multidrug Resistance of Bacteria Cultured from Pig Submissions in New Zealand

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dc.citation.issue8
dc.citation.volume10
dc.contributor.authorRiley CB
dc.contributor.authorChidgey KL
dc.contributor.authorBridges JP
dc.contributor.authorGordon E
dc.contributor.authorLawrence KE
dc.date.available2020-08
dc.date.available2020-08-12
dc.date.issued14/08/2020
dc.descriptionPublished source must be acknowledged with citation
dc.description.abstractData on the scope of bacterial pathogens present and the frequency of antimicrobial resistance (AMR) in New Zealand's pigs are limited. This study describes bacterial isolates, antimicrobial susceptibility data, and multidrug resistance (MDR; resistance to ≥3 antimicrobial classes) from New Zealand pig submissions. Porcine test data from June 2003 to February 2016 were obtained from commercial veterinary pathology laboratory records. In total, 470/477 unique submissions resulted in bacterial growth, yielding 779 isolates. Sample type was recorded for 360/477 (75.5%); lung (79/360; 21.9%), faecal (61/360; 16.9%) and intestinal (45/360; 12.5%) were most common. The most common isolates were Escherichia coli (186/779, 23.9%), Actinobacillus pleuropneumoniae (43/779; 5.5%), Streptococcus suis (43/779; 5.5%), unidentified Campylobacter spp. (38/779; 4.9%), alpha haemolytic Streptococci (32/779; 4.1%), coagulase negative Staphylococcus spp. (26/779; 3.3%), and Pasteurella multocida (25/779; 3.2%). Susceptibility results were available for 141/779 (18.1%) isolates from 62/470 (13.2%) submissions. Most were susceptible to trimethoprim-sulphonamide (75/81; 92.6%), but fewer were susceptible to penicillin (37/77; 48.1%), tilmicosin (18/43; 41.9%), or tetracyclines (41/114; 36.0%). No susceptibility data were available for Salmonella spp., Campylobacter spp., or Yersinia spp. isolates. MDR was present in 60/141 (42.6%) isolates. More data on sample submission drivers, antimicrobial drug use, and susceptibilities of important porcine bacterial isolates are required to inform guidelines for prudent antimicrobial use, to reduce their prevalence, human transmission, and to minimise AMR and MDR.
dc.description.publication-statusPublished
dc.identifierhttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000568042300001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=c5bb3b2499afac691c2e3c1a83ef6fef
dc.identifierARTN 1427
dc.identifier.citationANIMALS, 2020, 10 (8)
dc.identifier.doi10.3390/ani10081427
dc.identifier.elements-id434181
dc.identifier.harvestedMassey_Dark
dc.identifier.issn2076-2615
dc.identifier.urihttps://hdl.handle.net/10179/16386
dc.publisherMDPI (Basel, Switzerland)
dc.relation.isPartOfANIMALS
dc.subjectantimicrobial
dc.subjectresistance
dc.subjectmultidrug
dc.subjectbacteria
dc.subjectsusceptibility
dc.subjectpig
dc.subjectpork
dc.subjectporcine
dc.subject.anzsrc0502 Environmental Science and Management
dc.subject.anzsrc0608 Zoology
dc.subject.anzsrc0702 Animal Production
dc.titleIsolates, Antimicrobial Susceptibility Profiles and Multidrug Resistance of Bacteria Cultured from Pig Submissions in New Zealand
dc.typeJournal article
pubs.notesNot known
pubs.organisational-group/Massey University
pubs.organisational-group/Massey University/College of Sciences
pubs.organisational-group/Massey University/College of Sciences/School of Agriculture & Environment
pubs.organisational-group/Massey University/College of Sciences/School of Veterinary Science
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