Affiliation: | 1. Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, Ames, IA 50011, USA;2. Department of Statistics, College of Liberal Arts and Sciences, Iowa State University, Ames, IA 50011, USA;3. Department of Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand;4. IDEXX Laboratories, Inc., Westbrook, ME 04092, USA;6. Seaboard Farms, Inc., Guymon, OK 73942, USA |