Haemorrhagic bowel syndrome associated with ingestion of spoiled concentrate in two Brown Swiss cows.

Braun U Department of Farm Animals, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 260, 8057 Zürich, Switzerland. e-mail: ueli.braun@uzh.ch.
Gerspach C Department of Farm Animals, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 260, 8057 Zürich, Switzerland. e-mail: ueli.braun@uzh.ch.
Hässig M Department of Farm Animals, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 260, 8057 Zürich, Switzerland. e-mail: ueli.braun@uzh.ch.