Welcome to
The Ontario Animal Health Network

OAHN seeks to form a line of communication with as many veterinarians across Ontario as possible, both to collect information about diseases seen in practice and to share pertinent health and disease information.

We’re dedicated to early detection and response to emerging infectious disease in our province’s animal populations.

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What’s Happening

Featured Resources

26 Aug , 2025

Bat Contact Guide: High Risk vs No Risk

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22 Aug , 2025

Deadstock Disposal Fact Sheet

We’ve put together a Deadstock Disposal Fact Sheet that outlines practical, compliant, and environmentally sound options.

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Working Effectively with an Aquaculture Veterinarian – Thinkific Course

Boost fish health, reduce disease risks & build sustainable practices in aquaculture.

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Data Contributors

The Animal Health Laboratory, University of Guelph
 IDEXX Laboratories Inc.
Gallant Custom Laboratories Inc.
OMAFRA

The Animal Health Laboratory, University of Guelph, Gallant Custom Laboratories Inc., IDEXX Laboratories Inc., and OMAFRA all contribute data on top pathogens and diseases for network review. This laboratory data analysis is an essential component of the disease surveillance process. The OAHN expert networks compile and interpret these data and report trends or changes of note back to veterinarians, producers and animal owners in a variety of media formats.

Continuing Education through Social Media

We are constantly posting interesting and informative veterinary articles on our social media accounts. These help veterinarians, producers, owners and the public to understand what is happening in the broader veterinary world without spending a lot of time searching.