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Robert M. Friendship

Robert M. Friendship

D-Index & Metrics

Animal Science and Veterinary

D-Index
47
Citations
8596
World Ranking
724
National Ranking
54

Overview

Robert M. Friendship is affiliated with the University of Guelph in Canada. Their research spans several fields, primarily within Agricultural and Biological Sciences and Medicine.

The scientist's work focuses on subfields including Agronomy and Crop Science, Animal Science and Zoology, Small Animals, Infectious Diseases, and Genetics. Their research topics concentrate on areas such as Animal Behavior and Welfare Studies, Animal Disease Management and Epidemiology, Viral Gastroenteritis Research and Epidemiology, Animal Virus Infections Studies, Animal Nutrition and Physiology, Microbial Infections and Disease Research, and Influenza Virus Research Studies.

The recent papers authored or coauthored by Friendship demonstrate a focus on swine health and behavior as well as infectious disease research in animals. These include:

  • "Tail-Biting in Pigs: A Scoping Review" (2021), published in Animals
  • "A Case-Control Study to Investigate the Serotypes of S. suis Isolates by Multiplex PCR in Nursery Pigs in Ontario, Canada" (2020), published in Pathogens
  • "Comparative efficacy of a novel Bacillus subtilis-based probiotic and pharmacological zinc oxide on growth performance and gut responses in nursery pigs" (2023), published in Scientific Reports
  • "Veterinarian barriers to knowledge translation (KT) within the context of swine infectious disease research: an international survey of swine veterinarians" (2020), published in BMC Veterinary Research
  • "Effect of Varying Levels of Dietary Tryptophan on Aggression and Abnormal Behavior in Growing Pigs" (2022), published in Frontiers in Veterinary Science

Frequent coauthors who have collaborated with Friendship include:

  • Zvonimir Poljak
  • Terri L. O'Sullivan
  • Abdolvahab Farzan
  • Sheila Keay
  • Annette M. O'Connor

Publication venues where Friendship regularly contributes include:

  • Animals
  • BMC Veterinary Research
  • Journal of Animal Science
  • Frontiers in Veterinary Science
  • Research Square

Best Publications

  • Methicillin resistant Staphylococcus aureus colonization in pigs and pig farmers.

    T. Khanna;R. Friendship;C. Dewey;J.S. Weese

  • Antimicrobial Resistance and Virulence Genes of Escherichia coli Isolates from Swine in Ontario

    Patrick Boerlin;Rebeccah Travis;Carlton L Gyles;Richard Reid-Smith;Richard Reid-Smith

  • Human noroviruses in swine and cattle.

    Kirsten Mattison;Anu Shukla;Angela Cook;Frank Pollari

  • Prevalence of antibodies to the hepatitis E virus in pigs from countries where hepatitis E is common or is rare in the human population.

    Xiang Jin Meng;Serge Dea;Ronald E. Engle;Robert Friendship

  • Longitudinal study of the early-life fecal and nasal microbiotas of the domestic pig

    Mackenzie Jonathan Slifierz;Robert M. Friendship;J. Scott Weese

  • Hematology and biochemistry reference values for Ontario swine.

    R M Friendship;J H Lumsden;I McMillan;M R Wilson

  • Isolation and characterization of nine bacteriophages that lyse O149 enterotoxigenic Escherichia coli

    Nidham Jamalludeen;Roger P. Johnson;Robert Friendship;Andrew M. Kropinski;Andrew M. Kropinski

  • Presentation of postweaning Escherichia coli diarrhea in southern Ontario, prevalence of hemolytic E. coli serogroups involved, and their antimicrobial resistance patterns.

    Rocio Amezcua;Robert M. Friendship;Catherine E. Dewey;Carlton Gyles

  • Alternatives to antibiotic use: probiotics for the gut.

    Gregor Reid;Robert Friendship

  • Associations among antimicrobial drug treatments and antimicrobial resistance of fecal Escherichia coli of swine on 34 farrow-to-finish farms in Ontario, Canada

    R.H Dunlop;S.A McEwen;A.H Meek;R.C Clarke

  • In vitro assessment of antimicrobial activity of carvacrol, thymol and cinnamaldehyde towards Salmonella serotype Typhimurium DT104: effects of pig diets and emulsification in hydrocolloids

    W. Si;J. Gong;C. Chanas;S. Cui

  • Prevalence of Actinobacillus pleuropneumoniae, Actinobacillus suis, Haemophilus parasuis, Pasteurella multocida, and Streptococcus suis in representative Ontario swine herds

    Janet I. MacInnes;Marcelo Gottschalk;Abdul G. Lone;Devon S. Metcalf

  • Prevalence of hepatitis E virus antibodies in Canadian swine herds and identification of a novel variant of swine hepatitis E virus.

    D. Yoo;P. Willson;Y. Pei;M. A. Hayes

  • Longitudinal investigation of Clostridium difficile shedding in piglets.

    J. Scott Weese;Terra Wakeford;Richard Reid-Smith;Joyce Rousseau

  • Prevalence of Salmonella spp. on Canadian pig farms using liquid or dry-feeding.

    Abdolvahab Farzan;Robert M. Friendship;Catherine E. Dewey;Keith Warriner

  • Chloramphenicol and kanamycin resistance among porcine Escherichia coli in Ontario

    Rebeccah M Travis;Carlton L Gyles;Richard Reid-Smith;Cornelis Poppe

  • Prevalence of and risk factors for influenza in southern Ontario swine herds in 2001 and 2003.

    Zvonimir Poljak;Catherine E. Dewey;S. Wayne Martin;Jette Christensen

  • Clinical and postmortem examination of sows culled for lameness.

    Catherine E. Dewey;Robert M. Friendship;Michael R. Wilson

  • Individual and group antimicrobial usage rates on 34 farrow-to-finish swine farms in Ontario, Canada

    R.H Dunlop;S.A McEwen;A.H Meek;W.D Black

  • A Survey of Productivity and its Component Interrelationships in Canadian Swine Herds

    M. R. Wilson;R. M. Friendship;I. McMillan;R. R. Hacker

  • Methicillin-resistant Staphylococcus aureus in commercial swine herds is associated with disinfectant and zinc usage

    Mackenzie Jonathan Slifierz;Robert M. Friendship;J. Scott Weese

  • Occurrence of Salmonella, Campylobacter, Yersinia enterocolitica, Escherichia coli O157 and Listeria monocytogenes in swine.

    A. Farzan;R. M. Friendship;A. Cook;F. Pollari

  • An investigation of iron deficiency and anemia in piglets and the effect of iron status at weaning on post-weaning performance

    Amanda M. Perri;Robert M. Friendship;John C. S. Harding;Terri L. O’Sullivan

  • Development of cerebrospinal fluid absorption sites in the pig and rat: connections between the subarachnoid space and lymphatic vessels in the olfactory turbinates.

    Lena Koh;Andrei Zakharov;Gurjit Nagra;Dianna Armstrong

  • Sow wastage: reasons for and effect on productivity.

    R M Friendship;M R Wilson;G W Almond;I McMillan

  • Effect of single or double insemination on fertility of sows bred at an induced estrus and ovulation

    Glen Cassar;Roy N. Kirkwood;Zvonimir Poljak;Kristina Bennett-Steward

Frequent Co-Authors

Catherine E. Dewey
Catherine E. Dewey University of Guelph
Roy N. Kirkwood
Roy N. Kirkwood University of Adelaide
Tina M. Widowski
Tina M. Widowski University of Guelph
J. Scott Weese
J. Scott Weese University of Guelph
David L. Pearl
David L. Pearl University of Guelph
Scott A. McEwen
Scott A. McEwen University of Guelph
Carlton L. Gyles
Carlton L. Gyles University of Guelph
Richard J. Reid-Smith
Richard J. Reid-Smith Public Health Agency of Canada
Olaf Berke
Olaf Berke University of Guelph
S. Wayne Martin
S. Wayne Martin University of Guelph

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