![Diarrhea with blood and mucus from a pig infected with Brachyspira hyodysenteriae](https://www.pig333.com/3tres3_common/art/pig333/5746/diarrhea-with-blood-and-mucus-from-a-pig-infected-with-brachyspira-hyodysenteriae_41409.jpg?w=650&h=366&ho=1&ts=1653979446)
Brachyspira-associated colitis in swine
Two species of Brachyspira are well-recognized pathogens of pigs: B pilosicoli and B. hyodysenteriae. Recently, dysentery-like disease has been reported in association with infection by strongly beta-hemolytic spirochetes which are not identified as B. hyodysenteriae.