The latest Tweets from Laurene Powell (@laurenepowell). President of @EmCollective. âWhat you do speaks so loudly that I cannot hear what you say,â Ralph Waldo Emerson. Palo Alto, CA
Bacteria that are known to cause mastitis include: 1  Pseudomonas aeruginosa. 2  Staphylococcus aureus. 3  Staphylococcus epidermidis. 4  Streptococcus agalactiae. 5  Streptococcus uberis. 6  Brucella melitensis. 7  Corynebacterium bovis. 8  Mycoplasma spp.
Mastitis in Cattle. Almost any microbe that can opportunistically invade tissue and cause infection can cause mastitis. However, most infections are caused by various species of streptococci, staphylococci, and gram-negative rods, especially lactose-fermenting organisms of enteric origin, commonly termed coliforms.