a common, mucohemorrhagic diarrheal disease of pigs, which affects the large intestine and is caused by Treponema hyodysenteriae, ... on pms. kuni 6 kuu vanuste sigade nakkushaigus. Tekitaja on anaeroobne Treponema prk-a kuuluv spiroheet (Treponema hyodysenteriae). Sead nakatuvad suu kaudu. Haigestumist soodustavad ebasanitaarse