Table 7.

Results of two linear models for the log10-reduction of bacterial counts on carcass surfaces due to scalding. CG-control group, DW-drinking water supplement, RR-slow growing breed Rowan × Ranger, 25 kg/sqm-reduced stocking density, CE-competitive exclusion, ST1-after arrival, ST2-after scalding.

Dependent Variable: Log Reduction between ST1 and ST2
	Model for Resistant Enterobacteriaceae			Model for all Enterobacteriaceae
Predictors	Estimates	CI	p	Estimates	CI	p
(Intercept)	−21.34	−34.77–−7.91	0.002	−6.68	−11.28–−2.08	0.005
temperature	0.29	0.08–0.50	0.006	0.06	−0.01–0.13	0.105
logST1	0.84	0.7 –0.95	<0.001	0.81	0.68–0.94	<0.001
DW	−7.61	−26.57–1.36	0.430	1.09	0.51–1.66	<0.001
RR	22.63	3.56–41.69	0.020	2.93	2.11–3.76	<0.001
25 kg/sqm	21.55	7.4–35.62	0.003	2.64	2.05–3.23	<0.001
CE	26.44	8.90–43.98	0.003	1.39	0.76–2.02	<0.001
temp:DW	0.10	−0.18–0.39	0.478
temp:RR	−0.30	−0.58–−0.03	0.031
temp:25kg/sqm	−0.29	−0.51–−0.08	0.008
temp:CE	−0.37	−0.63–−0.10	0.006
Observations	190			190
R2/R2 adjusted	0.684/0.666			0.621/0.608