Röttiger, Christin https://orcid.org/0000-0001-5486-1840
Hellige, Maren
Ohnesorge, Bernhard
Bienert-Zeit, Astrid
Article History
Received: 19 May 2019
Accepted: 2 December 2019
First Online: 10 December 2019
Ethics approval and consent to participate
: Studies were approved by the Lower Saxony State Office for Consumer Protection and Food Safety in accordance with the German Animal Welfare Law (LAVES– Reference number: 33.12-42502.04.14/1644).
: Not applicable.
: The authors declare that they have no competing interests.