Funding for this research was provided by:
South African National Antarctic Program
Article History
Received: 14 September 2017
Revised: 23 January 2018
Accepted: 1 February 2018
First Online: 9 February 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All applicable international guidelines for the care and use of animals were followed. All procedures performed during the study were in accordance with the ethical standards of Rhodes University and were undertaken under an ethics clearance granted by its Animal Ethics committee.