In the case of an After Hours Emergency, please contact the Mississauga Oakville Veterinary Emergency Hospital at (905) 829-9444In the case of an After Hours Emergency, please contact the Mississauga Oakville Veterinary Emergency Hospital at (905) 829-9444In the case of an After Hours Emergency, please contact the Mississauga Oakville Veterinary Emergency Hospital at (905) 829-9444