Article History
Received: 28 March 2020
Accepted: 4 August 2020
First Online: 17 August 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Kansas State University and Sunset zoo guidelines for the care and use of animals were followed. Ethical approval was waived in view of the retrospective nature of the study and all the procedures being performed were part of the routine care.
: Not applicable.
: Not applicable.
: Not applicable.