Table 2.

Proportion of Salmonella positive samples and MPN quantification: Flock B

	Floor	Dust	Nest box	Egg belt	Eggs
26 weeks
Proportion	0.10 ± 0.10	0.3 ± 0.15	0	0.2 ± 0.13	0
MPN/m2	1090a	740.6 ± 348.9	NM	556.5 ± 533.5	NM

Data are presented for each sample type as the proportion of Salmonella positive samples (± the standard error of the mean) and most probable number (MPN) (± the standard error of the mean).

^aOnly a single Salmonella positive sample was obtained.