Mastitis varies in severity from subclinical to severe gangrene. Subclinical, chronic form is the most damaging economically because of reduced milk production or milk losses. Staph mastitis cases also occur in sheep, goats, mares, sows, cats and mink. Endometriti s - swine abortions 5. Staphylococcal cellulitis is often a complication of mange or other ectoparasitic disease C. S .
Organism often enters thru skin lacerations - cause by bites for other pigs competing for food.