Secondary copper deficiency, chromium deficiency and trace element imbalance in the moose (Alces alces L.): effect of anthropogenic activity

acidification alce chaulage chrome chromium cobre copper cromo cuivre deficiencia de minerales deficiencia de oligoelementos deficiency diseases elks encalado liming maladie de carence mineral deficiencies pathologie pathology patologia suecia sweden symptome symptoms trace element deficiencies