Table 1

L. monocytogenes monoculture infections in guinea pigs

Un-restricted

Oxygen-restricted


Days post first dosage

4

7

Total

Mean log(CFU/g)

4

7

Total

Mean log(CFU/g)


Liver

3/6

3/6

6/12 (50%)

2.2 ± 0.34

6/6

4/6

10/12 (83%)

3.0 ± 0.88

Spleen

0/6

1/6

1/12 (8%)

2.8

4/6

3/6

7/12 (58%)

2.6 ± 0.67

Jejunum

2/6

4/6

6/12 (50%)

2.1 ± 0.47

6/6

6/6

12/12 (100%)

3.7 ± 0.70


Numbers of guinea pigs where L. monocytogenes-CFP was recovered from liver and spleen after oral dosage with un-restricted or oxygen-restricted L. monocytogenes-CFP, respectively. Mean log (CFU/g) designate the mean levels found in animals positive for Listeria in the given organs, followed by standard deviations.

Bo Andersen et al. BMC Microbiology 2007 7:55   doi:10.1186/1471-2180-7-55

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