Definition of fowl spirochetosis
: a severe febrile disease of poultry that is marked by enteritis and diarrhea and by congestion and often localized necrosis or ecchymoses in the liver and spleen and that is caused by a spirochete (Borrelia anserina) which is transmitted either directly or by a biting arthropod (as the chicken tick) — compare argas
standardized text or formulaic language
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