For treatment of swine dysentery associated with Brachyspira (formerly Serpulina or Treponema) hyodysenteriaesusceptible to Tiamulin; For control of porcine proliferative enteropathies (ileitis) associated with Lawsoniaintracellularis; For control of swine dysentery associated with Brachyspira (formerly Serpulina or Treponema) hyodysenteriaesusceptible to Tiamulin.