Table 5. Distribution of necropsied pigs by EITB number of bands, infection burden and age^a.

	Less or equal to 8 months				Older than 8 months
Infection burden	EITB bands				EITB bands				Total
	1–2	3	4+	Subtotal	1–2	3	4+	Subtotal
Negative	13	6	1	20	14	6	1	21	41
Low (1–10)	3	5	1	9	3	10	0	13	22
Moderate (11–100)	1	0	0	1	1	5	0	6	7
Heavy (100+)	2	1	1	4	1	6	3	10	14
Total	19	12	3	34	19	27	4	50	84

^aChi square for EITB categories and necropsy status showed statistical association (p<0.001).