Laura Worsley

PhD student, Department of Livestock & One Health, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool

Figure 1. Johne's disease is an important differential for low body condition score and poor performance that should be routinely investigated. Antibody serology tests have very low sensitivity compared with faecal polymerase chain reaction (PCR).
Sheep

Ovine Johne's disease

The two main groups of MAP strains are ‘type S’ and ‘type C’, named after the host species from which they were originally isolated, sheep and cattle respectively (Collins et al, 1990). This...