Table 3.

Sampling days and statistical analysis for experiment 1 and 2^*.

Experiment	Mean	Sampling days
Exp 1	Mean1	1	a	3	4			7	9	11	14	16	18
Exp 1	Mean2	1		3	4			7	9	11	14	16	18
Exp 2	MeanB	1	2	3	4	5	6	7	9	11	14	16	18
Exp 2	MeanC	1	2	3	4	5	6	7	9	11	14	16	18

^*All sampling days are indicated as numbers in the table. Shaded boxes display from which days data were included in each mean value used for statistical analysis. For experiment 1, two mean values were calculated from the fecal cfu count of each of the 30 birds. Mean₁ was based on data from all sampling days and mean₂ was based on data from week two and three. For experiment 2, two mean values were calculated from the fecal cfu counts of each of the eight birds. Mean_B was based on data from the first four days after introduction of the first C. jejuni strain in experiment 2a and 2b, respectively, and mean_C was based on data from the first four days after introduction of the second C. jejuni strain.

^aNo samples were obtained on day 2, 5, and 6 in experiment 1.