MATPROG-Matprogrammet: Norsk mat fra sjø og land
Trace elements in grazing domestic ruminants in Norway - present situation and long-term trends.
Deficiency of copper, selenium and cobalt, as well as chronic copper poisoning, are all known in Norwegian domestic ruminants. In the 70s and 80s several surveys of trace element levels were carried out, primarily in sheep and in pasture plants. These stu dies confirmed substantial regional diffe...