Variation in susceptibility of different breeds of sheep to Mycobacterium avium subspecies paratuberculosis following experimental inoculation

Table 5 Analysis of the site of the most severe intestinal histopathological lesion after MAP inoculation

Breed	Total^a	Number of sheep with the most severe lesion in the mid JJ or LN^c	Occurence (%)	Relative risk	(95% CI)	p value
Merino	20	6	30	1.00^b
White Suffolk × Merino	16	4	25	0.83	(0.28–2.46)	0.74
Border Leicester	16	4	25	0.83	(0.28–2.46)	0.74
Poll Dorset	15	10	67	2.22	(1.04–4.75)	0.04

^aAny animal with a histopathological lesion greater than 1 was used for analysis [16].
^bReference group.
^cMid JJ and LN: middle jejunum/middle jejunal lymph node sections.

ISSN: 1297-9716