Table 1.

Estimates from single population experiments (experiment 1) of the intrinsic growth rate ( ψ ), maximum density ( K ), lag-phase ( λ ) and initial concentration ( N ₀ )

Parameter	Value		95% confidence interval	AICc*
Best fitting model				-19.36
ψ	2.04	h-1	(1.95 – 2.14)
K	9.1 108	cfu/ml	(8.0 108 – 10.4 108)
λ 102**	0.71	h	(0.41 – 1.08)
λ 106***	1.30	h	(0.90 – 1.72)
N 0 102**	0.8 102	cfu/ml	(0.5 102 – 1.2 102)
N 0 106***	0.9 106	cfu/ml	(0.5 106 – 1.6 106)
Full model				-15.13
ψ R	2.04	h-1	(1.95 – 2.14)
ψ T	2.09	h-1	(2.00 – 2.19)
ψ D	2.09	h-1	(2.00 – 2.19)
K R	10.7 108	cfu/ml	(8.2 108 – 58.6 108)
K T	10.0 108	cfu/ml	(7.0 108 – 14.3 108)
K D	7.6 108	cfu/ml	(5.3 108 – 10.9 108)
λ 102**	0.71	h	(0.41 – 1.08)
λ 106***	1.28	h	(0.89 – 1.70)
N 0 102**	0.8 102	cfu/ml	(0.5 102 – 1.2 102)
N 0 106***	0.9 106	cfu/ml	(0.5 106 – 1.6 106)

*AICc = Akaike’s Information Criterion (AIC) corrected for a finite sample size n.

AICc = AIC + 2 k (k + 1)/(n-k-1), in which k is the number of parameters in the model.

**Estimate for experiments with a start culture of 10² cfu/ml.

***Estimate for experiments with a start culture of 10⁶ cfu/ml.

The full model estimates different parameters ψ and K for each population (D, R or T) and different parameters λ and N ₀ based on the concentration of the start culture. The best fitting model was the one with different parameters for the initial concentration and lag-phase based on the concentration of the start culture, but with equal parameters for the other parameters of D, R and T.