Brachyspira

Brachyspira

(brā″kē-spī′ră) [″ + spir(ochete)]

A genus of spirochete that occasionally colonizes the lower gastrointestinal tract. It causes dysentery in animals such as dogs or pigs and has been identified as a cause of human disease, e.g., abdominal cramping, diarrhea, and rectal bleeding.

Brachyspira

a genus of anaerobic intestinal bacteria in the order Spirochaetaceae. Formerly Serpulina. Some species were previously in the genus Treponema.

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Brachyspira aalborgi

infects primates, but its pathogenic significance is uncertain.

Brachyspira alvinipulli

a cause of diarrhea in adult chickens.

Brachyspira hyodysenteriae

the cause of swine dysentery. Previously called Serpulina hyodysenteriae and Treponema hyodysenteriae.

Brachyspira intermedia

a cause of diarrhea in adult chickens.

Brachyspira pilosicoli

causes intestinal or colonic spirochetosis, a mild colitis and diarrhea in weaner and grower pigs and of wet litter and reduced egg production in adult chickens.