Institution: | 1. Department of Companion Animal Clinical Studies, Faculty of Veterinary Science, University of Pretoria, , Pretoria, South Africa;2. Department of Clinical Sciences, Colorado State University, , Fort Collins, CO;3. Department of Paraclinical Sciences, Faculty of Veterinary Science, University of Pretoria, , Pretoria, South Africa;4. Department of Production Animal Studies, Faculty of Veterinary Science, University of Pretoria, , Pretoria, South Africa |