Viable Pseudomonas poae and Clostridium estertheticum cell counts on stainless steel coupons1,2,3
	No. of cells (log CFU/cm2)
Genus	Inoculate C.ester on Day 4				Co-inoculate on Day 0
	Day 0	Day 4	Day 6	Day 8	Day 0	Day 2	Day 4
Pseudomonas poae	2.57±0.42 C	5.99±0.04 AB	6.10±0.17 AB	6.66±0.01 A	3.37±0.93 B	4.97±0.49 AB	5.75±0.18 AB
Clostridium estertheticum	N/A	ND	ND	ND	ND	ND	ND
1 Values are expressed as means ± standard deviations. Values with different uppercase letters in each row are significantly different (P < 0.05).
2 ND, not detected.
3 The values for the Pseudomonas poae group represent two data replicates, while the values for the Clostridium estertheticum group represent one data replicate.