title: Reply.
authors.affiliation: Centre for Evidence-based Veterinary Medicine, School of Veterinary Medicine and Science University of Nottingham, College Road, Loughborough LE12 5RD.
authors.forename: Rachel
authors.initials: R
authors.lastname: Dean
authors.affiliation: Centre for Evidence-based Veterinary Medicine, School of Veterinary Medicine and Science University of Nottingham, College Road, Loughborough LE12 5RD.
authors.forename: Zoe
authors.initials: Z
authors.lastname: Belshaw