Local host response following an intramammary challenge with Staphylococcus fleurettii and different strains of Staphylococcus chromogenes in dairy heifers

Table 1 The characteristics of the coagulase-negative staphylococcal isolates used in this study

Strain	Origin	Colony characteristics				References
Strain	Origin	Color	Shape	Consistency	In vitro growth inhibition of S. aureus	References
S. fleurettii	Sawdust	Grey	Round	Creamy	No	[9]
S. chromogenes (teat apex; TA)	Heifer’s teat apex	Beige	Round	Creamy	Yes	[19]
S. chromogenes (intramammary; IM)	Intramammary infection in a cow lasting >300 days	Orange	Round	Creamy	No	[9]

ISSN: 1297-9716