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Ryan M. O'Handley

Ryan M. O'Handley

D-Index & Metrics

Animal Science and Veterinary

D-Index
29
Citations
3589
World Ranking
2554
National Ranking
139

Overview

Ryan M. O'Handley is a researcher affiliated with the University of Adelaide in Australia. Their work primarily focuses on the fields of Immunology and Microbiology, Medicine, and Agricultural and Biological Sciences. Within these domains, they have concentrated extensively on parasitology, agronomy and crop science, infectious diseases, epidemiology, and ecology, evolution, behavior, and systematics.

Their research topics cover a range of areas including Toxoplasma gondii research studies, parasitic infections and diagnostics, animal disease management and epidemiology, herpesvirus infections and treatments, parasitic diseases research and treatment, vector-borne animal diseases, and mosquito-borne diseases and control.

O'Handley has contributed to numerous publications, with frequent appearances in the following scientific venues:

  • Australian Veterinary Journal
  • Veterinary Parasitology
  • Preventive Veterinary Medicine
  • Parasites & Vectors
  • Animals

Some recent papers authored or co-authored by O'Handley include the following:

  • Behavioral biology of Toxoplasma gondii infection, 2021, Parasites & Vectors
  • Anthelmintic resistance of gastrointestinal nematodes in goats: A systematic review and meta-analysis, 2022, Veterinary Parasitology
  • Abortion and Lamb Mortality between Pregnancy Scanning and Lamb Marking for Maiden Ewes in Southern Australia, 2021, Animals
  • Ehrlichia canis rapid spread and possible enzooty in northern South Australia and distribution of its vector Rhipicephalus linnaei, 2022, Australian Veterinary Journal
  • Neospora caninum is not an important contributor to poor reproductive performance of primiparous ewes from southern Australia: evidence from a cross-sectional study, 2021, Parasitology Research

O'Handley's frequent co-authors include:

  • Colin Trengove
  • Amy Lockwood
  • Serina Hancock
  • A. N. Thompson
  • Sue Beetson

Best Publications

  • Update on Cryptosporidium and Giardia infections in cattle

    Merle E Olson;Ryan M O'Handley;Brenda J Ralston;Timothy A McAllister

  • The public health and clinical significance of Giardia and Cryptosporidium in domestic animals.

    R.C. Andrew Thompson;Carlysle S. Palmer;Ryan O’Handley

  • Duration of naturally acquired giardiosis and cryptosporidiosis in dairy calves and their association with diarrhea.

    R M O'Handley;C Cockwill;T A McAllister;M Jelinski

  • Prevalence and genotypic characterisation of Giardia in dairy calves from Western Australia and Western Canada.

    R.M. O'Handley;M.E. Olson;D. Fraser;P.J. Adams

  • Ixodes scapularis Ticks Collected by Passive Surveillance in Canada: Analysis of Geographic Distribution and Infection with Lyme Borreliosis Agent Borrelia burgdorferi

    N. H. Ogden;N. H. Ogden;L. Trudel;H. Artsob;I. K. Barker

  • Giardia and Cryptosporidium in dairy calves in British Columbia.

    M E Olson;N J Guselle;R M O'Handley;M L Swift

  • Giardiasis and cryptosporidiosis in ruminants.

    Ryan M. O'Handley;Merle E. Olson;Merle E. Olson

  • Comparative susceptibility of planktonic and 3-day-old Salmonella Typhimurium biofilms to disinfectants

    H.S. Wong;K.M. Townsend;S.G. Fenwick;R.D. Trengove

  • Neospora caninum-like oocysts observed in feces of free-ranging red foxes (Vulpes vulpes) and coyotes (Canis latrans).

    Wendela Wapenaar;Mark C. Jenkins;Ryan M. O'Handley;Herman W. Barkema

  • Zoonotic potential of Giardia duodenalis and Cryptosporidium spp. and prevalence of intestinal parasites in young dogs from different populations on Prince Edward Island, Canada

    Fabienne D Uehlinger;Spencer J Greenwood;J Trenton McClure;Gary Conboy

  • Behavioral biology of Toxoplasma gondii infection.

    Wen Han Tong;Chris Pavey;Ryan O’Handley;Ajai Vyas

  • Comparison of serological methods for the diagnosis of Neospora caninum infection in cattle

    W. Wapenaar;H.W. Barkema;J.A. VanLeeuwen;J.T. McClure

  • Giardia duodenalis Assemblage-Specific Induction of Apoptosis and Tight Junction Disruption in Human Intestinal Epithelial Cells: Effects of Mixed Infections

    Wan Hon Koh;Thomas Geurden;Tim Paget;Ryan O'Handley

  • Seroprevalence of Toxoplasma gondii in wild kangaroos using an ELISA.

    N. Parameswaran;R.M. O'Handley;M.E. Grigg;S.G. Fenwick

  • EXPERIMENTAL INFECTION OF SHEEP WITH NEOSPORA CANINUM OOCYSTS

    Ryan O'Handley;Susan Liddell;Carolyn Parker;Mark C. Jenkins

  • Giardia duodenalis and Cryptosporidium spp. in a veterinary college bovine teaching herd

    Fabienne D. Uehlinger;Herman W. Barkema;Brent R. Dixon;Tatjana Coklin

  • Giardiasis in dairy calves: effects of fenbendazole treatment on intestinal structure and function.

    R.M O'Handley;A.G Buret;T.A McAllister;M Jelinski

  • Efficacy of fenbendazole for treatment of giardiasis in calves.

    R M O'Handley;M E Olson;T A McAllister;D W Morck

  • Comparative susceptibility of Salmonella Typhimurium biofilms of different ages to disinfectants

    Hui San Wong;Kirsty M Townsend;Stan G Fenwick;Garth Maker

  • Effects of repeat fenbendazole treatment in dairy calves with giardiosis on cyst excretion, clinical signs and production.

    R.M. O’Handley;C. Cockwill;M. Jelinski;T.A. McAllister

  • Passive immunity and serological immune response in dairy calves associated with natural Giardia duodenalis infections.

    Ryan M. O’Handley;Howard Ceri;Colleen Anette;Merle E. Olson

  • Prevalence and molecular characterization of Cryptosporidium spp. in dairy calves from 11 farms in Prince Edward Island, Canada

    Tatjana Coklin;Fabienne D Uehlinger;Jeffrey M Farber;Herman W Barkema;Herman W Barkema

  • Systematic review of gastrointestinal nematodes of horses from Australia

    Muhammad A. Saeed;Ian Beveridge;Ghazanfar Abbas;Anne Beasley

  • Secreted biofilm factors adversely affect cellular wound healing responses in vitro.

    Robert Jeffery Marano;Hilary Jane Wallace;Dulharie Wijeratne;Mark William Fear

  • Cryptosporidium parvum infection in cattle: are current perceptions accurate?

    Ryan M. O’Handley;Ryan M. O’Handley;Ryan M. O’Handley

  • Diagnostic significance of Neospora caninum DNA detected by PCR in cattle serum.

    Linda M. McInnes;Una M. Ryan;Ryan O’Handley;Heinz Sager

Frequent Co-Authors

Herman W. Barkema
Herman W. Barkema University of Calgary
Merle E. Olson
Merle E. Olson University of Calgary
Tim A. McAllister
Tim A. McAllister Agriculture and Agriculture-Food Canada
Brent R. Dixon
Brent R. Dixon University of Ottawa
R.C.A. Thompson
R.C.A. Thompson Murdoch University
Darren J. Trott
Darren J. Trott University of Adelaide
Jitender P. Dubey
Jitender P. Dubey Agricultural Research Service
Thomas Geurden
Thomas Geurden Zoetis (United States)
John A. VanLeeuwen
John A. VanLeeuwen University of Prince Edward Island
Mark C. Jenkins
Mark C. Jenkins United States Department of Agriculture

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