Figure 1From: Variation in susceptibility of different breeds of sheep to Mycobacterium avium subspecies paratuberculosis following experimental inoculation Clinical cases of JD in different sheep breeds. Arrows point to the clinical cases. A Merino, B Suffolk first cross Merino, C Border Leicester and D Poll Dorset; the clinical case determined by weight loss is difficult to observe by visual assessment alone in the Poll Dorset breed.Back to article page