Funding for this research was provided by:
Helge Ax:son Johnsons Stiftelse
Stiftelsen Längmanska Kulturfonden
Stiftelsen Lars Hiertas Minne
Kungliga Fysiografiska Sällskapet i Lund
Knut och Alice Wallenbergs Stiftelse (2013.0129)
Western Cape Agricultural Research Trust (0070/000 Volstruise)
Received: 15 January 2020
Accepted: 20 September 2020
First Online: 12 October 2020
: All procedures were approved by the Departmental Ethics Committee for Research on Animals (DECRA) of the Western Cape Department of Agriculture, reference no. R13/90.
: Not applicable.
: The authors declare that they have no competing interests.