Table 1.

Bacterial species isolated from the milk samples (the data represent the number of isolates that were identified to a particular species within each sample)

Species	Sample
	M 1	M 2	M 3	M 4	M 5	M 6	M 7	M 8	M 9	M 10	M 11	M 12	M 13	M 14	M 15	M 16	M 17	M 18	M 19	M 20	Total
Staphylococcus epidermidis	4*	5*			4*	3*	6*	6*	1*	4*	4*	5*		4*	3*	3*	5*	4*	5*	6*	72
Staphylococcus aureus	4				1*		2*				3*			4*							14
Staphylococcus pasteuri					1				2								2		2		7
Staphylococcus warneri													2			2		1			5
Staphylococcus hominis						1			2											1	4
Staphylococcus lugdunensis													1								1
Staphylococcus haemolyticus													1								1
Gemella haemolysans								1*													1
Rothia mucilaginosa						2*				1*		3*						3*			9
Rothia dentocariosa																				1	1
Kocuria kristinae		1							2							1	2				6
Streptococcus mitis								1					1*						1*		3
Streptococcus salivarius													1*								1
Streptococcus sanguinis																	1				1
Streptococcus parasanguis								1*													1
Streptococcus peroris													1								1
Enterococcus faecalis												2*		1*	2*						5
Corynebacterium pseudogenitalium													1								1
Klebsiella oxytoca		2*	3*																		5
Pseudomonas fluorescens				5*																	5
Enterobacter hormaechei		1																			1
Acinetobacter johnsonii							1*														1
Escherichia coli				1																	1
Pantoea agglomerans			1																		1
Delftia tsuruhatensis					1																1
Number of isolates identified	8	9	4	6	7	6	9	9	7	5	7	10	8	9	5	6	10	8	8	8	149

*: Species that were also detected in each milk sample by PCR-DGGE (see Figure 2 for details).