Table 5b.

Result (CFU ml−1) for gene and month
stx2			eae
July	August	September	February	April	July	August	September
5.2 × 103 ± 6.6 × 103	ND	1.6 × 103 ± 2.2 × 102	5.2 × 103 ± 9.3 × 103	3.3 × 104 ± 5.2 × 103	2.1 × 104 ± 2.1 × 103	1.2 × 104 ± 7.2 × 103	1.6 × 103 ± 8.3 × 102
1.4 × 104 ± 4.2 × 104	8.7 × 103 ± 7.1 × 103	ND	1.4 × 104 ± 4.2 × 104	6.6 × 104 ± 2.2 × 104	4.1 × 103 ± 9.2 × 103	4.1 × 103 ± 3.2 × 103	6.3 × 103 ± 8.1 × 103
1.9 × 105 ± 2.1 × 103	2.1 × 104 ± 3.1 × 103	ND	1.9 × 105 ± 3.3 × 105	1.4 × 104 ± 7.2 × 104	3.1 × 104 ± 6.2 × 103	1.2 × 105 ± 3.2 × 103	2.0 × 103 ± 2.2 × 103
3.4 × 103 ± 3.1 × 102	ND	ND	4.3 × 103 ± 3.6 × 103	ND	3.5 × 103 ± 3.4 × 103	1.8 × 103 ± 3.2 × 104	1.0 × 103 ± 2.5 × 102
ND	ND	ND	6.8 × 104 ± 6.2 × 104	4.6 × 104 ± 4.2 × 104	1.2 × 104 ± 3.8 × 103	2.1 × 104 ± 5.1 × 103	8.7 × 104 ± 9.1 × 103
ND	ND	ND	ND	8.6 × 103 ± 4.4 × 103	6.2 × 103 ± 1.1 × 103	6.9 × 104 ± 1.1 × 103	9.7 × 104 ± 8.2 × 102
ND	ND	ND	ND	9.8 × 104 ± 2.0 × 103	9.6 × 104 ± 8.2 × 103	6.7 × 104 ± 6.2 × 103	ND
ND	8.9 × 103 ± 2.4 × 102	ND	ND	2.7 × 104 ± 3.0 × 104	5.8 × 104 ± 4.1 × 103	1.2 × 104 ± 7.2 × 103
1.1 × 103 ± 7.2 × 102	ND	ND	4.0 × 102 ± 2.3 × 102	NA	ND	4.2 × 104 ± 4.2 × 103	7.6 × 102 ± 2.1 × 102