info:oai:orgprints.org:2788info:ofi/fmt:xml:xsd:bookWalkenhorstMichaelWalkenhorst, MichaelNotzChristopheNotz, ChristopheKlockePeterKlocke, PeterSprangerJörgSpranger, JörgHeilFritzHeil, Fritz2004Organic conform udder health concepts. How to reduce therapiesproceeding