The Canadian Food Inspection Agency is investigating deaths of chickens at a farm north of Kitchener to determine if they are the result of an outbreak of avian influenza.
The news comes a day after the CFIA confirmed an outbreak on a turkey farm near Thamesford.
In both cases the CFIA has established lockdowns on the farms and quarantine zones.
The Feather Board Command Centre has put the industry on high alert.
The Egg Farmers of Ontario marketing board cancelled its annual meeting this week due to concerns that the virus might spread. It will be held later at a date yet to be announced.