TABLE 3.

Bacteria isolate frequency and their occurrence in California mastitis test (CMT) positive samples.

Bacteria	Number of isolates (%), N = 177	Occurrence in CMT positive samples (%), N = 133
		Yes, N 1 (%)	No, N 2 (%)
Staphylococcus aureus	40 (22.6)	40 (30.1)	93 (69.9)
CNS	106 (59.9)	95 (71.4)	38 (28.6)
Streptococcus spp.	8 (4.5)	8 (6.0)	125 (94.0)
Streptococcus agalactiae	18 (10.2)	18 (13.5)	115 (86.5)
Coliforms	5 (2.8)	5 (3.8)	128 (96.2)

Abbreviation: CNS, coagulase‐negative Staphylococcus spp.