Swine dysentery, Brachyspira hyodysenteriae, photomicrograph
Note the characteristic morphology of Brachyspira hyodysenteriae: loose, slender coils. Other agents of swine dysentery have similar morphology and can often be visualized in stained fecal smears from clinically affected pigs.
Courtesy of Joann Kinyon, Iowa State University Veterinary Diagnostic Laboratory.
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