1. Experimental animal infection models for Johne's disease, an infectious enteropathy caused by Mycobacterium avium subsp. paratuberculosis;Begg;Vet. J.,2007
2. The ‘direct costs’ of livestock disease: the development of a system of models for the analysis of 30 endemic livestock diseases in Great Britain;Bennett;J. Agric. Econ.,2003
3. Caldow, G., Greig, A., Gunn, G.J., Humphry, R., Low, C.J., Ashworth, S.W., Jones, G.M., Stott, A.W., Cranwell, M.V., Sharp, J.M., Stevenson, K., Henderson, D.C., 2001. Assessment of surveillance and control of Johne's disease in farm animals in GB. SAC, DEFRA, 67–82, http://www.defra.gov.uk/animalh/diseases/zoonoses/zoonoses_reports/sac2.pdf.
4. Ruminant paratuberculosis (Johne's disease): the current status and future prospects;Chiodini;Cornell Vet.,1984
5. Measuring animal performance;Coates,2000