− | A provisional diagnosis of lamb dysentery can be made on the basis of a history of sudden deaths in well-grown, unvaccinated lambs. This is supported by post-mortem findings, and laboratory testing may also be useful. | + | A provisional diagnosis of lamb dysentery can be made on the basis of a history of sudden deaths in well-grown, unvaccinated lambs. This is supported by post-mortem findings and laboratory testing may also be useful. |