This content is only available as a PDF.

Author notes


Presented at Tenth Biennial Veterinary Conference and Annual Conference of the Wildlife Disease Association, National Communicable Disease Center, 1600 Clifton Road, Atlanta, Georgia. May 4–8, 1970.


Supported in part by the University of Maryland Water Resources Research Center, Project A-002MD. Contribution No. 427, Natural Resources Institute, University of Maryland.

Article PDF first page preview

Article PDF first page preview