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SURVEY FOR Sarcocystis IN THE BROWN-HEADED COWBIRD ( Molothrus ater): A COMPARISON OF MACROSCOPIC, MICROSCOPIC AND
1Department of Microbiology, The University of Texas Medical Branch, Galveston, Texas 77550, USA.
Journal of Wildlife Diseases
|November 16, 2013
Abstract:
Adult cowbirds from the Houston, Texas area were examined for Sarcocystis by three 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.

