This was updated yesterday, May 11th; http://www.inspection.gc.ca/animals/terrestrial-animals/imports/travellers/restriction-on-imports/eng/1421341696172/1421341727507 ... Eric
All of this means expect to be questioned about pet food and have it confiscated, since poultry is often the protein in pet food. Carry a brand you can replace in any small town.
Or if a prescription diet, a copy of the prescription.