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

15 Jul , 2024

Factsheet: Chlamydia Caviae in Guinea Pigs

Clinical signs, transmission, testing, treatment, and more.

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17 Jun , 2024

Cyprinid Herpesvirus-1: Carp (Koi) Pox

This is carp (koi) pox, also known as cyprinid herpesvirus-1. Carp and koi are the same species, with koi selected for many colour and fin traits. This virus, like many herpesviruses, are carried by fish without clinical signs, until some stressor allows the virus to activate. Think of the herpesvirus that causes chickenpox, which then Read more

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07 Jun , 2024

OAHN Equine Project: Serum Selenium concentrations in Ontario broodmares and their foals (in progress)

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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.