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.

Learn more >

What’s Happening

Featured Resources

21 Feb , 2024

Anti-Parasitics Table for Cats and Dogs 2024

A table breaking down the different anti-parasitics for dogs and cats, outlining what species they are used for and what type of parasite they treat. The OAHN Companion Animal Network has created a simplified table for pet owners, and a veterinary version.

Read More >

17 Jan , 2024

OAHN Bee Network Project: Tracking natural varroa mite population growth in honey bee colonies

Read More >

15 Jan , 2024

OAHN Network Project: Identification of Culicoides species found in selected areas of Ontario from June – September 2022

Read More >

Data Contributors

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

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.