Llama and alpaca care [electronic resource] : medicine, surgery, reproduction, nutrition, and herd health / Christopher Cebra, VMD, MS, DACVIM, Professor, Large Animal Internal Medicine, College of Veterinary Medicine, Oregon State University, Corvallis, Oregon, David E. Anderson, DVM, MS, DACVS, Professor and Head, Large Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, Ahmed Tibary, DMV, DSc, PhD, DACT, Professor, Comparative theriogenology (Equine, Camelid, Ruminants), Department of Veterinary Clinical Sciences, Washington State University, Pullman, Washington, Robert J. Van Saun, DVM, MS, PhD, DACT, DACVN, Professor and Extension Veterinarian, Department of Veterinary & Biomedical Sciences, College of Agricultural Sciences, Pennsylvannia State University, University Park, Pennsylvania, LaRue W. Johnson, DVM, PhD, Professor Emeritus, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado.