Table 1.

List of samples processed in this study

		Sample type	Germ-free	Conventional	Tetraflora	E. coli	Enterococcus	Killed
Exp1	Day 56	Caecal tissue	√	√	√
Exp2	Day 14	Caecal tissue	√			√	√	√
Exp2	Day 28	Caecal tissue	√			√	√	√
Exp2	Day 56	Caecal tissue	√			√	√	√
Exp2	Day 56	Caecal content	√			√	√