Gatton Campus, Gatton, QLD 4343, Australia 2 RSPCA Queensland, Locked Bag 3000, Archerfield BH, QLD 4108, Australia; E-Mail: mpaterson@rspcaqld.org.au 3 School of Veterinary Science, University of Queensland, Gatton Campus, Gatton, QLD 4343, Australia; E-Mails: dianne.stephens@outlook.com ...