http://orgprints.org/5962/ Use of range area, plumage condition and mortality Use of range area, plumage condition and mortality. Hegelund, L. Sørensen, J.T. Hermansen, J.E. 3animal 7animalhealth dk_soar Use of range area, plumage condition and mortality 2005-10-02 Hegelund, L.; Sørensen, J.T. and Hermansen, J.E. (2005) Use of range area, plumage condition and mortality. Should hens be kept outside?, Nijmegen, Holland., 18-20 april. [ Unpublished, ] multimedia