Isolation of Listeria monocytogenes type 04 from cases of keratoconjunctivitis in cattle and sheep.

Keratoconjunctivitis in cattle and sheep is usually recognized as a summer problem. The infective agency usually isolated from cattle is Moraxella bovis. In sheep Neisseria ovis and Rickettsia (Colesiota) conjunctivae are expected to be found. This report describes isolations of Listeria monocytogenes from eye inflammations in housed cattle and sheep.