M. bovis

M. bovis may refer to:
 * Moraxella bovis, the pink eye, a Gram-negative, aerobic, oxidase-positive diplococcus bacterium species implicated in infectious keratoconjunctivitis in cattle
 * Mycobacterium bovis, a slow-growing, aerobic bacterium species causative of tuberculosis in cattle
 * Mycoplasma bovis, a bacterium associated with bovine respiratory disease