Table 4.

Summary of the number of groups tested and the number of groups positive for Salmonella, according to species, whether adult or immature, and whether pooled or individual faecal samples

Species, indoor/outdoor	Number of groups positive/number tested
	Individual		Pooled
	Immature	Adult	Immature	Adult
Pig indoor	42/52 (0·81)	11/17 (0·65)	51/52 (0·98)	17/17 (1)
Pig outdoor	64/79 (0·81)	26/33 (0·79)	68/79 (0·86)	23/33 (0·7)
Cattle indoor	6/12 (0·5)	15/26 (0·58)	12/12 (1)	26/26 (1)
Cattle outdoor	5/7 (0·71)	15/23 (0·65)	6/7 (0·86)	23/23 (1)