Funding for this research was provided by:
Bundesanstalt für Landwirtschaft und Ernährung (2817905315)
Stiftung Tierärztliche Hochschule Hannover (TIHO)
Received: 14 December 2020
Accepted: 28 January 2021
First Online: 24 February 2021
Ethics approval and consent to participate
: The data used within this study are based on mandatory application and delivery forms, data from official slaughterhouse inspection and performance data accumulated and maintained by VzF for consulting advice for farmers. All information was provided voluntarily by farmers, signing individual written consent data to be used by the study team only. The research does not involve any regulated animals, and there were no scientific procedures performed on animals of any kind. For this reason, formal approval by an ethical committee was not necessary under the provisions of the German regulations.
: Not applicable.
: The authors declare that they have no competing interests.