... The distribution of four trace elements (Fe, Mn, Cu, Zn) in forage and the relation to scrapie in Iceland Acta Veterinaria Scandinavica 2010, 52:34 Eiríksson et al. Acta Veterinaria Scandinavica ... medium, provided the original work is properly cited.Research The distribution of four trace elements (Fe, Mn, Cu, Zn) in forage and the relation to scrapie in IcelandTryggvi Eiríksson1, ... ratio in the forage of sheep in general and the occurrence of clinical scrapie in these areas. Forthis purpose the country was subdivided in seven areasaccording to their appreciated scrapie...