Author Affiliations +
STEPHEN M. SCHMITT,1 THOMAS M. COOLEY,1 TJAART W. SCHILLHORN-VAN-VEEN2
1Rose Lake Wildlife Pathology and Physiology Loboratory, Michigan Department of Natural Resources, East Lansing, Michigan 48823, USA
2College of Veterinary Medicine, Michigan State University, East Lansing, Michigan 48823, USA