Abstract
Extract
An acute epididymitis affecting mainly young rams and associated with a gram-negative pleomorphic organism was first reported in New Zealand in 1955 Citation(1). Subsequently a similar syndrome attributed to Actinobacillus seminis has been reported in Border Leicester and other rams in Australia Citation(2) Citation(3) Citation(4). A like condition also described in Australia in a single crossbred ram was causally attributed to Histophilus ovis Citation(5). Actinobacillus seminis was isolated from an epididymal infection in a Rambouillet ram in America Citation(6) and from a Dorper ram in South AfricaCitation(7).