About the Authors

Andrew C. Kotze
CSIRO Livestock Industries, St. Lucia, Brisbane, Queensland, Australia

Steven R. Kopp
School of Veterinary Science, University of Queensland, Brisbane, Queensland, Australia

Corresponding Author


Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: ACK. Wrote the paper: ACK. Contributed ideas, commented on draft manuscript: SRK.