Bjørnar Ytrehus1,
Emma E. Oterholt Aakre2,
Mari Mangen2,
Torunn Sjåheim2,
Han Kristian Mjelde3,
Jørn Våge3,
Malin Rokseth Reiten3
- Norwegian Veterinary Institute, Arboretveien 57, PO-Box 64, 1433 Ås, Norway
- Norwegian University of Life Sciences
- Norwegian Veterinary Institute