Article History
Received: 28 May 2019
Accepted: 9 October 2019
First Online: 22 October 2019
Ethics approval and consent to participate
: All experimental procedures were approved by the Ethics Committee of Regierungspraesidium Gießen Germany (Approval number A 27/2012). All bucks belonged and were maintained and managed at the Clinic for Obstetrics, Gynecology and Andrology of Large and Small Animals with Ambulatory Service of the Justus-Liebig-University Giessen.
: Not applicable.
: The authors declare that they have no competing interests.