Yes, here is the distributer for eastern Canada. It's a little outdated but you should be able to find one or two..
http://www.jollypet.com
This is what they have for Halifax (but there are probably way more who aren't listed)
Carnegy Animals Hospital
7 Langbrac Dr. . B3M 4N7
(p) 902-457-0117
House of Dogs
6448 Quinpool Rd. . B3L 1A8
(p) 902-492-3647