%A Dr. Edmund Leisen
%A Dr. Peter Heimberg
%A Dr. Martin H?ltershinken
%J Ende der Nische, Beitr?ge zur 8. Wissenschaftstagung ?kologischer Landbau
%T Mineralstoffversorgung bei Rindern und K?hen auch im ?ko-Landbau ?berpr?fen

%X The contents of minerals in the blood of cattle can be both too low or too high even on farms with otherwise good management. It seems that this is a wide spread problem. On 26 farms, including 314 animals, the contents of Ca, Mg, P, Se, Cu, Zn and Mn were investigated.
%K Rind, Tierern?hrung, Tiergesundheit, Spurenelemente
%E J He?
%E G Rahmann
%D 2005
%I kassel university press GmbH, Kassel
%L orgprints3446