Sample type	Total number tested	Number positive for Campylobacter	Percentage positive for Campylobacter
Caeca (all)	412	193	46.8
Swabs (all)	366	74	20.2
Both caeca & swab (matched set)	112	16	14.3
Only caeca (matched set)	112	47	42
Only swab (matched set)	112	32	28.6