SURVEY FOR Sarcocystis IN THE BROWN-HEADED COWBIRD (Molothrus ater): A COMPARISON OF MACROSCOPIC, MICROSCOPIC AND DIGESTION TECHNIQUES

1 October 1977

journal article
research article
Published by Wildlife Disease Association in Journal of Wildlife Diseases

Vol. 13 (4) , 356-359
https://doi.org/10.7589/0090-3558-13.4.356

Abstract

Adult cowbirds from the Houston, Texas [USA] area were examined for Sarcocystis by 3 methods. Macroscopically, 53 of 253 (20.9%) birds examined were positive. Microscopic examination of abdominal muscle from 62 of the 200 negative birds showed another 4 (6.4%) to be infected. Pepsin digestion, the most sensitive technique for macroscopically negative birds, showed 7 of the 62 (11.2%) to be infected.

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