Table 1 Where to target antimicrobial therapy in clinical mastitis due to different pathogens [9]
Milk/ducts | Udder tissue | Cow | |
|---|---|---|---|
Streptococcus agalactiae | +++ | --- | --- |
Other streptococci | +++ | + | --- |
Staphylococcus aureus | + | +++ | --- |
Coagulase-negative staphylococci | +++ | --- | --- |
Arcanobacterium pyogenes (summer mastitis) | --- | ++ | +++ |
Coliforms | + | -- | +++ |