Projects
Featured
The OAHN networks initiate projects, research or investigations into disease trends or issues of interest for their species sector. Results, publications, and presentations relating to these disease investigations and network operations are listed below.
OAHN Projects
Complete
OAHN Poultry Project: Serological and molecular surveillance for aMPV in wild birds
OAHN Bovine Project: Investigation of Mycoplasma wenyonii and Candidatus Mycoplamsma haemobos in Ontario dairy cattle
OAHN Aquatics Project: Baseline survey for Lactococcus garvieae group in Ontario salmonid facilities
In Progress
OAHN Companion Animal Project: Surveillance of Rhipicephalus spp. and Haemaphysalis longicornis in dogs in Ontario
OAHN Companion Animal Project: Rickettsia rickettsii seroprevalence in dogs in an area of suspected Rocky Mountain Spotted Fever emergence (in progress)
OAHN Companion Animal Project: Haplotyping of Echinoccus multicularis in domestic, captive and wildlife species in Ontario (in progress)
OAHN Small Ruminant Project: Sheep Flock Trace Mineral Surveillance (in progress)
Complete
OAHN Equine Project: Serum Selenium concentrations in Ontario broodmares and their foals
OAHN Small Ruminant Project: Investigation of mucosal immunity to gastrointestinal nematodes in Ontario goats
OAHN Wildlife Project: Assessing the use of passive water samples for the detection of influenza viruses
In Progress
OAHN Bovine Project: Evaluation of sous vide as a method for colostrum pasteurization (in progress)
OAHN Equine Project: Spatiotemporal patterns of eastern equine encephalitis virus and its vectors in areas of past outbreaks in Ontario
OAHN Equine Project: Detection of Streptococcus equi subsp. equi infections in Ontario horses – A comparative study (in progress)
OAHN Poultry Project: Evaluating risk interpretation and action by poultry producers, poultry partners, and hunter-harvesters in in response to HPAIV detection in wildlife and the environment (in progress)
OAHN Swine Project: Porcine Parasitology Testing (in progress)
OAHN Swine Project: Porcine Circovirus-2 Testing and Typing (in progress)
OAHN Swine Project: Porcine Sapovirus Testing, Relevance and Knowledge (in progress)
OAHN Wildlife Project: Anti-coagulant rodenticide exposure in non-target mammalian species (scavengers and predators) (in progress)
OAHN Wildlife Project: Bovine tuberculosis surveillance – retroactive and now (in progress)
Complete
OAHN Wildlife Project: Botulism Test Development
OAHN Swine Project: Prevalence of PHEV in growing pig submissions to the AHL
OAHN Wildlife Network Project: Muskrat Health and Disease Surveillance
OAHN Bee Project: Paenibacillus larvae spore testing in Ontario honey bee colonies
OAHN Wildlife Project: Enhanced Avian Influenza Surveillance in Wild Mammals 2023-2024
In Progress
OAHN Poultry Project: Runting-stunting in broilers: Effect of downtime, brooding management, air quality, and infectious diseases (in progress)
OAHN Wildlife Project: Pilot Surveillance for Avian Influenza Virus (AIV) in Feral Cats (in progress)
Complete
OAHN Wildlife Project: Avian Influenza in Ontario Wildlife
OAHN Bee Project: Tracking natural varroa mite population growth in honey bee colonies
OAHN Bovine Project: Trace Mineral Monitoring in Beef Cattle Herds
OAHN Companion Animal Project: Rabies titres in imported dogs
OAHN Equine Project: Investigation into the seasonal variations in ACTH levels in Ontario’s senior horses
OAHN Small Ruminant Project: Investigation of Gastrointestinal Nematode Parasitism on Ontario Goat Farms
OAHN Small Ruminant Project: Investigation of Pooling Serum Samples for Maedi Visna Testing
OAHN Swine Project: CanSpot ASF Submissions and Communications
OAHN Swine Project: Ontario Swine Producer Clinical Impression Survey
OAHN Swine Project: Swine Smallholder Postmortem Project
OAHN Project: Identification of Culicoides species found in selected areas of Ontario from June – September 2022
Complete
OAHN Companion Animal Project: Prevalence of seroconversion to SARS-CoV-2 among dogs, cats and ferrets in close contact with humans with confirmed or probable COVID-19
OAHN Companion Animal Project: Whiteboard Rabies Video
OAHN Poultry Project: Developing a Response Plan for Effective Infectious Laryngotracheitis Outbreak Management in Ontario
OAHN Aquatic Project: Biosecurity for aquatic animal facilities – content development for a website and workshop, thinkific platform and booklet
OAHN Bee Project: Investigation of the role of varroa mites in Ontario honey bee health using next generation sequencing (NGS) technology
OAHN Wildlife Project: Identifying changes in Leptospira interrogans prevalence and serovars in wildlife in Ontario
OAHN Project: Communication and Design Assistance for the Ontario Varroa Monitoring Campaign
In Progress
OAHN Wildlife Project: Rabbit Hemorrhagic Disease Surveillance
Complete
OAHN Bee Project: Mid-Season Treatments for Varroa Mites, Residue Testing in Honey
OAHN Small Ruminant Project: Investigation of Ovine herpesvirus-2 as the cause of an idiopathic fatal vasculitis syndrome in Ontario sheep
OAHN Small Ruminant Project: Comparison of maedi visna serological tests including the VMRD ELISA
OAHN Bovine Project: Parasitism in Grazing Cattle in Ontario
OAHN Bovine Project: Surveillance of postmortem data from a livestock disposal site
OAHN Aquatics Project: Preliminary investigation into a proprietary feed-based probiotic to reduce natural coldwater disease in rainbow trout aquaculture in Ontario
OAHN Small Ruminant Project: Development and validation of a PCR test for small ruminant lentiviruses (CAEV and MVV)
OAHN Swine Project: Modelling potential hotspots of African Swine Fever in Ontario’s wild pig population
OAHN Swine Project: Ongoing investigation of an outbreak of Senecavirus A
Complete
OAHN Companion Animal Project: Prevalence of selected pathogens in dogs recently imported from Asia
OAHN Companion Animal Project: Infection Prevention and Control (IPC) Best Practices for Small Animal Veterinary Clinics
OAHN Companion Animal Expert Network Public Health Report 2020: Ontario Animal Health Network (OAHN) Companion Animal Expert Network Public Health Report 2020
OAHN Wildlife Project: Risks of anticoagulant pest control chemicals to wild raptors
OAHN Swine Project: Investigation of swine erysipelas
OAHN Poultry Project: Small Flock Poultry Veterinary Video Lecture Series with Dr. Victoria Bowes
OAHN Swine Project: Ongoing investigation of an outbreak of Senecavirus A
Complete
OAHN Companion Animal Project: Brucella canis in commercial dog breeding kennels in southern Ontario
OAHN Bovine Project: OAHN Dairy Veterinary Antimicrobial Sales Benchmarking
OAHN Equine Project: ResearchONEquine Website
OAHN Equine Project: EHV-1 Abortion Outbreak: Case report and biosecurity awareness
OAHN Small Ruminant Project: Development and validation of a new diagnostic test for Toxoplasma identification in small ruminant abortions
OAHN Poultry Project: Identification of Transmissible Viral Proventriculitis (TVP)
OAHN Wildlife Project: Characterizing the spatial patterns of chronic wasting disease susceptibility in white-tailed deer
OAHN Equine Project: Neorickettsia risticii in Ontario: Identifying emerging strains, their diagnosis and environmental risk factors for disease development
OAHN Bee Project: Surveillance on resistant Varroa destructor mite population to three synthetic acaricides in Ontario
OAHN Poultry Project: Antimicrobial resistance in fecal E. coli and Salmonella isolates of small poultry flocks in Ontario, Canada
OAHN Poultry Project: Small flock poultry medicine workshop for Ontario veterinarians
Complete
OAHN Alternative Species Research Project: Developing a health and disease surveillance network for Ontario mink farms
OAHN Bee Project: Culture, antimicrobial susceptibility and molecular typing of Paenibacillus larvae, a causative agent of American foulbrood (AFB)
OAHN Bovine Project: Calf Surveillance
OAHN Companion Animal Project: Companion animal infographics
OAHN Equine Project: Seroprevalence of Borrelia burgdorferi and Anaplasma phagocytophilum infection in Ontario horses
OAHN Fish Project: Antibiotic resistance in Ontario aquaculture
OAHN Poultry Project: Evaluating virulence genes and antimicrobial susceptibility of avian pathogenic Escherichia coli from Ontario broiler and broiler breeder flocks
OAHN Small Ruminant Project 1: Distance support for on-farm investigation of adult small ruminant mortalities
OAHN Small Ruminant Project 2: Seroprevalence & risk factors of Toxoplasma gondii exposure in small ruminants in Ontario, Canada
OAHN Swine Project: The creation of a network of sentinel pig farms to enable coordinated preparedness, early detection, and response to animal disease
OAHN Wildlife Project: Developing and piloting a web-based reporting system to enhance wildlife disease surveillance in Ontario
Presentations
Melanie Barham, Tim Pasma. Building the Ontario Animal Health Network. Canadian Animal Health Surveillance Network workshop, Vancouver, BC. February 2018.
Publications
Poster presentations
Conference abstracts
Megan Neely, Scott Weese, Alison Moore, Murray Hazlett, Luis Arroyo. Seroprevalence of Borrelia burgdorferi and Anaplasma phagocytophilum in horses in Ontario. Canadian Animal Health Laboratorians Network Conference, Guelph, Ontario. June 2017.
Jim Fairles, Josie Given. Overview of a milk bacteriology QA program for veterinary clinics. Canadian Animal Health Laboratorians Network Conference, Guelph, Ontario. June 2017.
Alexander Heim. Mapping of the Ontario IBV outbreak. Canadian Animal Health Laboratorians Network Conference, Guelph, Ontario. June 2017.
Leonardo Susta, Nancy Brochu, Marina Brash, Csaba Varga, Michele Guerin. Ontario small poultry flock disease surveillance: year one. Canadian Animal Health Laboratorians Network Conference, Guelph, Ontario. June 2017.
Csaba Varga, Marina Brash, Emily Martin, Rachel Ouckama, Mike Petrik, Cynthia Philippe, Alex Weisz, Elizabeth Black, Shahbaz Ul Haq, Mike Joyce, Kathleen Long, Joanne Rafuse, Lloyd Weber, Melanie Barham, Durda Slavic, Tim Pasma, Patrick Boerlin, Michele Guerin. Evaluating virulence genes and antimicrobial susceptibility of avian pathogenic Escherichia coli from Ontario broiler and broiler-breeder flocks. Canadian Animal Health Laboratorians Network Conference, Guelph, Ontario. June 2017.
Christa Arsenault, Grant Maxie, Paul Innes, George Charbonneau, Chris Byra. Overview of the Ontario Animal Health Network swine surveillance network to improve disease emergency preparedness and its linkage to the Canadian Swine Health Information Network. Canadian Animal Health Laboratorians Network Conference, Guelph, Ontario. June 2017.
Marcia Chiasson, Véronique LePage, Steve Naylor. Antimicrobial resistance in Ontario aquaculture. Canadian Animal Health Laboratorians Network Conference, Guelph, Ontario. June 2017.
Melanie Barham, Jocelyn Jansen, Maria Spinato, Paula Menzies, Rex Crawford, John Hancock, Connie Dancho. Development of a responsive surveillance network for industries and veterinarians. International Sheep Veterinary Conference. June 2017.
Melanie Barham et al. Podcasts: a tool to enhance communications, lab sample quality, continuing education, and emergency preparedness with practicing veterinarians. American Association of Veterinary Laboratory Diagnosticians, Greensboro, NC. October 2016.
Melanie Barham, Marina Brash, Csaba Varga, Leo Susta, Lloyd Weber, Elizabeth Black, Mike Petrik, Michele Guerin, Al Dam Dam, Alex Weisz. Small flock poultry diagnostics and veterinary training: a new approach to a capacity and emergency preparedness issue. American Association of Veterinary Laboratory Diagnosticians, Greensboro, NC. October 2016.
Melanie Barham et al. Development of a collaborative animal health networks to improve surveillance and emergency preparedness in Ontario, Canada. American Association of Veterinary Laboratory Diagnosticians, Providence, RI. October 2015.
Melanie Barham, Bruce McNab, Bev McEwen, Tim Pasma. Building animal health surveillance network using laboratory and field data. World Association of Veterinary Laboratory Diagnosticians, Saskatoon, SK. June 2015.



