Clinical Aspects of an Abnormal Presentation of Actinobacillosis in a Dairy Herd

Actinobacillosis is a well-recognised condition in ruminants (Swarbrick, 1967) caused by infection with the Gram-negative bacterium Actinobacillus lignieresii. Classically, the best known conditions of actinobacillosis in cows are "wooden tongue" and local infections of the pharyngeal region in cattle (Gillespie and Timoney, 1981). Other forms of actinobacillosis in cattle are described in different publications. In this poster, a presentation of Actinobacillus lignieresii infection is described on the hind legs, which gave problems in two 1-2 years old animals. Although this form of actinobacillosis has been described earlier e.g. by Weaver and others, it has never been reported before in the Netherlands ...