Changes

*Enodgenous or exogenous infections

*Enodgenous or exogenous infections

*Opportunistic pyogenic infections associated with trauma, immusuppression, other infections

*Opportunistic pyogenic infections associated with trauma, immusuppression, other infections

*Coagulase-positive 'S. aureus'' and ''S. intermedius'' as well as ''S. hyicus'' are important pathogens of animals

*Coagulase-positive ''S. aureus'' and ''S. intermedius'' as well as ''S. hyicus'' are important pathogens of animals

*Fairly stable in environment

*Fairly stable in environment

*Strains selective for particular species

*Strains selective for particular species

*Cause mastitis, tick pyaemia, exudative epidermitis, botryomycosis and pyoderma

*Cause mastitis, tick pyaemia, exudative epidermitis, botryomycosis and pyoderma

===Characteristics===

===Characteristics===