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.
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Present address: Division of Science and Mathematics, University of Minnesota, Morris. Minnesota 56267, USA.
© 1976 Wildlife Disease Association