Funding for this research was provided by:
Leibniz-Institut für Nutztierbiologie
Received: 12 March 2020
Accepted: 27 October 2020
First Online: 11 November 2020
Ethics approval and consent to participate
: All experimental procedures complied with international, national, and/or institutional guidelines for the care and use of animals applicable at the time, in which experiments were performed.
: The authors declare that they have no competing interests.