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Table 2 Occurrence of infection in four breeds of sheep at necropsy (up to 14 months after MAP inoculation) as determined by culture from gut associated tissues

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

Breed Total number of animals Number of sheep with MAP infection Occurrence (%) Relative risk (95% CI) p value
Merino 36 25 69 1.00a   
White Suffolk × Merino 36 27 75 1.08 (0.81–1.44) 0.60
Border Leicester 34 18 53 0.76 (0.52–1.12) 0.17
Poll Dorset 36 17 47 0.68 (0.45–1.02) 0.06
  1. aReference group.