Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (WI 4450/2-1)
Leibniz-Institut für Nutztierbiologie
Article History
Received: 5 August 2020
Accepted: 8 February 2021
First Online: 19 February 2021
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.