Table 4.

Proportion (and percentages) of animals showing lameness and mortality rate compatible with respiratory or systemic disease at nurseries

Group	Lameness (Affected/total)	Mortality rate
		Dead/total	Dead/affected
Control	48/101 (41%)	8/ 101 (7.90%)	8/ 48 (16.6%)
TS	36/100 (28%)	9/100 (9%)	9/36 (25%)
TP	NA	NA	NA
IP	47/118(28%)	11/118 (9.32%)	11/47 (23.4%)
TS-IP	24/96 (15%)*	1/96 (1.04%)	1/24 (4.16%)

NA Not available

^*Significantly different when compared to control group (P < 0.05)

Control, non-treated piglets born to non-treated sows; TS, piglets born to treated sows; TP, piglets treated with ceftiofur born to non-treated sows; IP, inoculated piglets born to non-treated sows ; TS-IP, inoculated piglets born to treated sows