Robert H. Davies

Overview

Best Publications

• Mechanisms of quinolone resistance in Escherichia coli and Salmonella: Recent developments

  Katie L. Hopkins;Robert H. Davies;E. John Threlfall

  722
  Citations

• Hospital admission and emergency care attendance risk for SARS-CoV-2 delta (B.1.617.2) compared with alpha (B.1.1.7) variants of concern: a cohort study.

  Katherine A Twohig;Tommy Nyberg;Asad Zaidi;Simon Thelwall

  501
  Citations

• Co-Selection of Resistance to Antibiotics, Biocides and Heavy Metals, and Its Relevance to Foodborne Pathogens

  Andrew D. Wales;Robert H. Davies

  423
  Citations

• Listeria monocytogenes contamination of ready-to-eat foods and the risk for human health in the EU.

  Antonia Ricci;Ana Allende;Declan Bolton;Marianne Chemaly

  405
  Citations

• Update of the list of QPS-recommended biological agents intentionally added to food or feed as notified to EFSA 13: suitability of taxonomic units notified to EFSA until September 2020.

  Kostas Koutsoumanis;Ana Allende;Avelino Alvarez-Ordóñez

  377
  Citations

• Scientific Opinion on the update of the list of QPS-recommended biological agents intentionally added to food or feed as notified to EFSA

  Antonia Ricci;Ana Allende;Declan Bolton

  356
  Citations

• EMA and EFSA Joint Scientific Opinion on measures to reduce the need to use antimicrobial agents in animal husbandry in the European Union, and the resulting impacts on food safety (RONAFA)

  David Murphy;Antonia Ricci

  332
  Citations

• bla(CTX-M) genes in clinical Salmonella isolates recovered from humans in England and Wales from 1992 to 2003.

  M. Batchelor;K. Hopkins;E. J. Threlfall;F. A. Clifton-Hadley

  307
  Citations

• Biosecurity-based interventions and strategies to reduce Campylobacter spp. on poultry farms.

  D. G. Newell;K. T. Elvers;D. Dopfer;I. Hansson

  304
  Citations

• Role played by the environment in the emergence and spread of antimicrobial resistance (AMR) through the food chain

  Konstantinos Koutsoumanis;Ana Allende;Avelino Álvarez-Ordóñez

  287
  Citations

• A trial of biosecurity as a means to control Campylobacter infection of broiler chickens.

  J.C Gibbens;S.J.S Pascoe;S.J Evans;R.H Davies

  261
  Citations

• Pathogenicity assessment of Shiga toxin-producing Escherichia coli (STEC) and the public health risk posed by contamination of food with STEC

  Efsa Biohaz Panel;Kostas Koutsoumanis;Ana Allende;Avelino Alvarez-Ordóñez

  252
  Citations

• The impact of different housing systems on egg safety and quality

  P. S. Holt;R. H. Davies;J. Dewulf;R. K. Gast

  244
  Citations

• Prevalence of Escherichia coli carrying extended-spectrum β-lactamases (CTX-M and TEM-52) from broiler chickens and turkeys in Great Britain between 2006 and 2009

  L. P. Randall;C. Clouting;R. A. Horton;N. G. Coldham

  233
  Citations

• Sources of salmonella on broiler carcasses during transportation and processing: modes of contamination and methods of control

  Janet E L Corry;V M Allen;W R Hudson;M F Breslin

  213
  Citations

• Intestinal carriage of verocytotoxigenic Escherichia coli O157, Salmonella, thermophilic Campylobacter and Yersinia enterocolitica, in cattle, sheep and pigs at slaughter in Great Britain during 2003.

  A. S S. Milnes;I. Stewart;F. A A. Clifton-Hadley;R. H H. Davies

  209
  Citations

• Risks for public health related to the presence of Bacillus cereus and other Bacillus spp. including Bacillus thuringiensis in foodstuffs

  Ana Allende;Declan Bolton;Marianne Chemaly

  208
  Citations

• Public health risks associated with hepatitis E virus (HEV) as a food‐borne pathogen

  Antonia Ricci;Ana Allende;Declan Bolton

  196
  Citations

• Salmonella control in poultry flocks and its public health impact

  Kostas Koutsoumanis;Ana Allende;Avelino Alvarez-Ordóñez

  195
  Citations

• Persistence of salmonella enteritidis in poultry units and poultry food

  R H Davies;C Wray

  194
  Citations

• National survey for Salmonella in pigs, cattle and sheep at slaughter in Great Britain (1999–2000)

  R.H. Davies;R. Dalziel;J.C. Gibbens;J.W. Wilesmith

  191
  Citations

• Antimicrobial Resistance on Farms: A Review Including Biosecurity and the Potential Role of Disinfectants in Resistance Selection

  Robert Davies;Andrew Wales

  164
  Citations

• Colistin resistance in Salmonella and Escherichia coli isolates from a pig farm in Great Britain

  Muna F. Anjum;Nicholas A. Duggett;Manal AbuOun;Luke Randall

  153
  Citations

• Chemical Treatment of Animal Feed and Water for the Control of Salmonella

  Andrew D. Wales;Vivien M. Allen;Robert H. Davies

  150
  Citations

• Persistence of Salmonella enteritidis phage type 4 in the environment and arthropod vectors on an empty free-range chicken farm.

  Robert H. Davies;Mark Breslin

  144
  Citations

• Salmonella serovars isolated from table eggs: An overview

  Francesca Martelli;Robert H. Davies

  129
  Citations

• A longitudinal study of environmental Salmonella contamination in caged and free-range layer flocks

  Andrew Wales;Mark Breslin;Ben Richard Carter;Robin Sayers

  128
  Citations

• Biosecurity Measures to Control Salmonella and Other Infectious Agents in Pig Farms: A Review

  Victor M. Andres;Rob H. Davies

  117
  Citations

• Environmental contamination and detection of Salmonella enterica serovar enteritidis in laying flocks.

  R. Davies;M. Breslin

  116
  Citations

• Characterization of β-Lactamases Responsible for Resistance to Extended-Spectrum Cephalosporins in Escherichia coli and Salmonella enterica Strains from Food-Producing Animals in the United Kingdom

  Ernesto Liebana;Matthew Gibbs;Carol Clouting;Leslie Barker

  114
  Citations

• Assessment of cleaning and disinfection in Salmonella-contaminated poultry layer houses using qualitative and semi-quantitative culture techniques

  Andrew Wales;Mark Breslin;Robert Davies

  107
  Citations

• Observations on Salmonella contamination of eggs from infected commercial laying flocks where vaccination for Salmonella enterica serovar Enteritidis had been used

  Robert Davies;Mark Breslin

  104
  Citations

• A comparison of the efficacy of cleaning and disinfection methods in eliminating Salmonella spp. from commercial egg laying houses

  Juan J Carrique-Mas;Clara Marin;Mark Breslin;Ian McLaren

  101
  Citations

• Use of a LightCycler gyrA mutation assay for rapid identification of mutations conferring decreased susceptibility to ciprofloxacin in multiresistant Salmonella enterica serotype Typhimurium DT104 isolates.

  R. A. Walker;N. Saunders;A. J. Lawson;E. A. Lindsay

  97
  Citations

• Multiple Genetic Typing of Salmonella enterica Serotype Typhimurium Isolates of Different Phage Types (DT104, U302, DT204b, and DT49) from Animals and Humans in England, Wales, and Northern Ireland

  Ernesto Liebana;Lourdes Garcia-Migura;Carol Clouting;Felicity A. Clifton-Hadley

  93
  Citations

• Investigation of Salmonella contamination and disinfection in farm egg-packing plants.

  R.H. Davies;M. Breslin

  86
  Citations

• Comparison of gyrA Mutations, Cyclohexane Resistance, and the Presence of Class I Integrons in Salmonella enterica from Farm Animals in England and Wales

  Ernesto Liebana;Carol Clouting;Claire A. Cassar;Luke P. Randall

  83
  Citations