Christiane V. Löhr1Oregon Veterinary Diagnostic Laboratory and Department of Biomedical Sciences, Carlson College of Veterinary Medicine, Oregon State University, Corvallis, OR 97331.
Patti K. Kiser1Oregon Veterinary Diagnostic Laboratory and Department of Biomedical Sciences, Carlson College of Veterinary Medicine, Oregon State University, Corvallis, OR 97331.