An avirulent Brachyspira hyodysenteriae strain elicits intestinal IgA and slows down spread of swine dysentery.

Swine dysentery caused by Brachyspira hyodysenteriae, results in substantial economic losses in swine producing countries worldwide. Although a number of different vaccine approaches have been explored with regard to this disease, they show limitations and none of them have reached the market. We here determine the vaccine potential of a weakly haemolytic B.