Table 5.

Percent of postmortem tissue samples from pigs surviving till Day 21 within treatment groups positive for S. choleraesuis^a

Tissue	Treatments				P-valueb
SPD	SPN	SND	SNN
(n = 4)	(n = 7)	(n = 6)	(n = 7)
Bronchial lymph nodes	50a	57a	83a	14a	0.071
Cecal contents	100a	43a,b	50a,b	0b	0.002
Cecum	100a	71a	50a	43a	0.139
Colon	75a	57a	67a	43a	0.120
Colonic lymph nodes	100a	57a	67a	43a	0.172
Ileocolic junction	100a	43a	67a	57a	0.172
Ileocolic lymph nodes	100a	86a	100a	100a	0.462
Liver	75a	71a	33a	14a	0.077
Lung	100a	57a	83a	0b	0.000
Mediastinal lymph nodes	100a	57a	67a	0b	0.001
Middle ileum	100a	29a,b	67a	0b	0.001
Spleen	25a	29a	17a	0a	0.341
Tonsil	75a	57a	50a	14a	0.173
Among all tissues	85a	55b	62b	23c	0.000

^aTreatments within a row with the same superscript are not significantly different (p>0.008) using Bonferroni’s Method for pairwise comparisons of proportions.

^bLikelihood Ratio χ².