Erratum to: Acta Vet Scand (2017) 59:44 DOI 10.1186/s13028-017-0311-2

After publication of this paper [1] it was noticed that there was an error in the corresponding author’s surname which was duplicated. The corresponding author’s name should read: Ann Essner.

The original article was corrected.

The publisher apologises for this error.