Received: 7 February 2020
Accepted: 10 November 2020
First Online: 19 November 2020
Ethics approval and consent to participate
: Samples were taken from existing antlers and frozen tissue samples provided by those authorized to practice hunting. No animals were killed specifically for the study. No live animals were sampled and no dropping antlers were sought or collected for the study. Thus, submitting to an ethical committee was not required by national legislations.
: Not applicable.
: The authors declare that they have no competing interests.