{Project} Horntragende Kühe im Laufstall. [Loose housing systems for horned dairy cows.] Runs 2004 - 2006. Project Leader(s): Schneider, Claudia and Spengler Neff, Anet, Research Institute of Organic Agriculture (FiBL), CH-5070 Frick. More information online at <http://www.fibl.org/de/schweiz/forschung/tiergesundheit.html <http://www.fibl.org/de/schweiz/forschung/tiergesundheit.html>>.