Hunter-killed ducks were examined in North Dakota from 1969 through 1972 for prevalence of macroscopically detectable cysts of Sarcocystis. Fifty-seven of 632 (9%) adult dabbling ducks and 1 of 420 (0.24%) juveniles were infected. Sarcocystis was not detected in 169 adult and 91 juvenile diving ducks.

This content is only available as a PDF.

Author notes


Present address: Division of Science and Mathematics, University of Minnesota, Morris. Minnesota 56267, USA.