Funding for this research was provided by:
Narodowe Centrum Nauki (2013/09/N/NZ9/03134)
Received: 22 February 2019
Accepted: 20 November 2019
First Online: 27 November 2019
Ethics approval and consent to participate
: <i>Approval for this study was obtained from the III Local Ethics Committee for animal experiments in Warsaw. No. 50/2011–30.11.2011.</i> All goats belonged to the Experimental Farm at the Institute of Genetics and Animal Breeding in Jastrzębiec, near Warsaw, Poland. The Experimental Farm is an integral part of the Institute and maintains for example a flock of 60 dairy goats of the Polish White Improved, and Polish Fawn Improved.
: Not applicable
: The authors declare that they have no competing interests. Co-author Jarosław Kaba is a member of the editorial board of the BMC Veterinary Research however he had no role in the handling of this manuscript.