Literature DB >> 10459654

Sampling considerations for herd-level measurement of faecal Escherichia coli antimicrobial resistance in finisher pigs.

R H Dunlop1, S A McEwen, A H Meek, R M Friendship, W D Black, R C Clarke.   

Abstract

The objective of this study was to determine the most efficient means of sampling faeces of finisher pigs for accurate and precise farm-level estimates of antimicrobial resistance among faecal Escherichia coli. Resistance to tetracycline and gentamicin of 8250 isolates of E. coli from 55 finisher pigs on one farm was measured with a hydrophobic grid membrane filter method. The between-pig, within-pen component of variance in resistance was large (97.5%), while between-pen, within-room and between-room components were small (2.5% and 0%, respectively). Using these resistance data, the abilities of two sampling strategies to estimate prevalence were modelled with a Monte Carlo 'bootstrap' procedure. Compositing faecal samples from several pigs before testing produced unbiased and precise estimates of prevalence and is simpler technically than individual animal testing.

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Year:  1999        PMID： 10459654      PMCID： PMC2809645          DOI： 10.1017/s0950268899002411

Source DB:  PubMed          Journal:  Epidemiol Infect        ISSN： 0950-2688            Impact factor:   2.451


  7 in total

1.  Antimicrobial resistance in generic Escherichia coli isolated from swine fecal samples in 90 Alberta finishing farms.

Authors:  Csaba Varga; Andrijana Rajić; Margaret E McFall; Brent P Avery; Richard J Reid-Smith; Anne Deckert; Sylvia L Checkley; Scott A McEwen
Journal:  Can J Vet Res       Date:  2008       Impact factor: 1.310

2.  The importance of sample size in the determination of a flock-level antimicrobial resistance profile for Escherichia coli in broilers.

Authors:  Davy Persoons; Kaatje Bollaerts; Annemieke Smet; Lieve Herman; Marc Heyndrickx; An Martel; Patrick Butaye; Boudewijn Catry; Freddy Haesebrouck; Jeroen Dewulf
Journal:  Microb Drug Resist       Date:  2011-08-29       Impact factor: 3.431

3.  Changes in the prevalence of resistant Escherichia coil in cattle receiving subcutaneously injectable oxytetracycline in addition to in-feed chlortetracycline compared with cattle receiving only in-feed chlortetracycline.

Authors:  A M O'Connor; C Poppe; S A McEwen
Journal:  Can J Vet Res       Date:  2002-07       Impact factor: 1.310

4.  Antimicrobial resistance of fecal Escherichia coli isolated from grow-finish pigs in 20 herds in Alberta and Saskatchewan.

Authors:  Leigh B Rosengren; Cheryl L Waldner; Richard J Reid-Smith; Sylvia L Checkley; Margaret E McFall; Andrijana Rajić
Journal:  Can J Vet Res       Date:  2008       Impact factor: 1.310

5.  Quantifying antimicrobial resistance at veal calf farms.

Authors:  Angela B Bosman; Jaap A Wagenaar; Jaap Wagenaar; Arjan Stegeman; Hans Vernooij; Dik Mevius
Journal:  PLoS One       Date:  2012-09-07       Impact factor: 3.240

6.  Sampling and Pooling Methods for Capturing Herd Level Antibiotic Resistance in Swine Feces using qPCR and CFU Approaches.

Authors:  Gunilla Veslemøy Schmidt; Anders Mellerup; Lasse Engbo Christiansen; Marie Ståhl; John Elmerdahl Olsen; Øystein Angen
Journal:  PLoS One       Date:  2015-06-26       Impact factor: 3.240

7.  Sampling strategies in antimicrobial resistance monitoring: evaluating how precision and sensitivity vary with the number of animals sampled per farm.

Authors:  Takehisa Yamamoto; Yoko Hayama; Arata Hidano; Sota Kobayashi; Norihiko Muroga; Kiyoyasu Ishikawa; Aki Ogura; Toshiyuki Tsutsui
Journal:  PLoS One       Date:  2014-01-23       Impact factor: 3.240
  7 in total

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