Contributors
Content last modified May 2021
We gratefully acknowledge the expertise of the contributors to our current online version. The subject(s) they are responsible for are listed after their affiliations.
Tahseen Abdul-Aziz, BVMS, MS, PhD, DACPV
Veterinary Pathologist, Rollins Animal Disease Diagnostic Laboratory, North Carolina Department of Agriculture and Consumer Services, Raleigh, NC
Avian Encephalomyelitis; Botulism; Listeriosis
Stephen B. Adams, DVM, MS, DACVS
Professor of Surgery, Department of Veterinary Clinical Sciences, School of Veterinary Medicine, Purdue University, West Lafayette, IN
Arthroscopy; Lameness in Horses: Introduction; Musculoskeletal System: Introduction; The Lameness Examination
Andrew J. Allen, DVM, PhD, DACVIM
Assistant Professor, Department of Veterinary Clinical Sciences, Washington State University, Pullman, WA
Disorders of Calcium Metabolism: Parturient Paresis in Cows; Metabolic Disorders: Introduction; Transport Tetany in Ruminants
Dana G. Allen, DVM, MSc, DACVIM
Professor Emeritus, Ontario Veterinary College, University of Guelph, Ontario, Canada
Congenital and Inherited Anomalies; Systemic Pharmacotherapeutics of the Cardiovascular System: Drugs Acting on the Blood
Kelly E. Allen, MS, PhD
Lecturer, Department of Veterinary Pathobiology, Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, OK
Blood Parasites: Old World Hepatozoonosis and American Canine Hepatozoonosis
Sandra Allweiler, DVM, DACVA
Assistant Professor, Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO
Pain Assessment and Management
Glen W. Almond, DVM, PhD
Professor, Swine Health and Production Management, North Carolina State University, Raleigh, NC
Postpartum Dysgalactia Syndrome and Mastitis in Sows
Gary C. Althouse, BS, MS, DVM, PhD, DACT
Professor of Reproduction and Swine Health; Marion Dilley and David George Jones Endowed Chair in Animal Reproduction, Department of Clinical Studies, New Bolton Center, University of Pennsylvania, Kennett Square, PA
Management of Reproduction: Pigs
Claire B. Andreasen, DVM, PhD, DACVP
Associate Dean for Academic and Student Affairs and Professor, College of Veterinary Medicine, Iowa State University, Ames, IA
Staphylococcosis
Frank M. Andrews, DVM, MS, DACVIM (Large Animal)
Louisiana Veterinary Medical Association Equine Committee Professor and Director, Equine Health Studies Program, Department of Veterinary Clinical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA
Gastrointestinal Ulcers in Large Animals: Gastrointestinal Ulcers in Horses
John A. Angelos, DVM, PhD, DACVIM
Associate Professor, Department of Medicine and Epidemiology; Livestock Medicine and Surgery, School of Veterinary Medicine, University of California, Davis, CA
Infectious Keratoconjunctivitis
David A. Ashford, DVM, MPH, DSc
Attaché, US Department of Agriculture, Office of Agricultural Affairs, Port au Prince, Haiti
Foot-and-Mouth Disease
Clarke Atkins, DVM, DACVIM
Jane Lewis Seaks Distinguished Professor, Professor Emeritus, College of Veterinary Medicine, North Carolina State University, Raleigh, NC
Heartworm Disease
Rick Atwell, BVSc, PhD, FACVSc
Honorary Professor, School of Veterinary Science, University of Queensland, Brisbane, Queensland, Australia
Tick Paralysis
David G. Baker, DVM, MS, PhD, DACLAM
Director and Professor, Division of Laboratory Animal Medicine, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA
Eyeworm Disease
Lora R. Ballweber, MS, DVM
Professor, Clinical Parasitology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO
Fluke Infections in Ruminants; Gastrointestinal Parasites of Pigs; Lungworm Infection
Alejandro Banda, DVM, MSc, PhD, DACPV, DACVM
Associate Clinical Professor of Avian Virology, Poultry Research and Diagnostic Laboratory, College of Veterinary Medicine, Mississippi State University, Mississippi State, MS
Duck Viral Enteritis
Gad Baneth, DVM, PhD, DECVCP
Professor, Koret School of Veterinary Medicine, Hebrew University, Rehovot, Israel
Leishmaniosis
Lisa G. Barber, DVM
Assistant Professor, Department of Clinical Sciences, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA
Antineoplastic Agents
George M. Barrington, DVM, PhD, DACVIM
Professor, Food Animal Medicine and Surgery, College of Veterinary Medicine, Washington State University, Pullman, WA
Congenital Erythropoietic Porphyria; Photosensitization
Robert B. Beckstead, PhD
Associate Professor, Department of Poultry Science, University of Georgia, Athens, GA
Hexamitiasis; Histomoniasis
Daniela Bedenice, DVM, DACVIM, DACVECC
Assistant Professor, Department of Clinical Sciences, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA
Hypoxic Ischemic Encephalopathy; Management of the Neonate: Large Animals; Sepsis in Foals
Sylvia J. Bedford-Guaus, DVM, PhD, DACT
Animal Reproduction Consultant, Barcelona, Spain
Breeding Soundness Examination of the Male
James K. Belknap, DVM, PhD, DACVS
Professor of Equine Surgery, Department of Veterinary Clinical Sciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH
Lameness in Horses: Disorders of the Foot
William G. Bickert, PhD Deceased
Professor Emeritus, Biosystems and Agricultural Engineering, Michigan State University, East Lansing, MI
Ventilation
Rob Bildfell, DVM, MSc, DACVP
Professor, Department of Biomedical Sciences, College of Veterinary Medicine, Oregon State University, Corvallis, OR
Collection and Submission of Laboratory Samples; Pyrrolizidine Alkaloidosis
Patrick Joseph Blackall, BSc, PhD
Principal Research Fellow, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, Queensland, Australia
Infectious Coryza
Barry R. Blakley, DVM, PhD
Professor, Department of Veterinary Biomedical Sciences, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Canada
Copper Poisoning; Fluoride Poisoning; Lead Poisoning; Mercury Poisoning; Metaldehyde Poisoning; Molybdenum Poisoning; Quercus Poisoning; Sorghum Poisoning
Shauna L. Blois, DVM, DVSc, DACVIM
Assistant Professor, Clinical Studies, Ontario Veterinary College, University of Guelph, Ontario, Canada
Diseases of the Stomach and Intestines in Small Animals: Gastrointestinal Neoplasia, Gastrointestinal Ulcers, Helicobacter Infections
Dawn Merton Boothe, DVM, PhD
Professor, Department of Anatomy, Physiology, and Pharmacology, College of Veterinary Medicine, Auburn University, Auburn, AL
Antibacterial Agents; Antifungal Agents; Antiviral Agents; Chemotherapeutics Introduction; Pharmacology Introduction
Manuel Borca, DVM, PhD
Research Microbiologist, Foreign Animal Disease Research, USDA, Orient Point, NY
Classical Swine Fever
Jane C. Boswell, MA, VetMB, CertVA, CertES (Orth), DECVS, MRCVS
The Liphook Equine Hospital, Liphook, Hampshire, UK
Lameness in Horses: Disorders of the Stifle, Disorders of the Tarsus and Metatarsus
Joan S. Bowen, DVM
Bowen Mobile Veterinary Practice, Wellington, CO
Health-Management Interaction: Goats; Lameness in Goats
Perle E. Boyer, DVM
Lecturer, North Carolina State University, Raleigh, NC
Postpartum Dysgalactia Syndrome and Mastitis in Sows
R. Keith Bramwell, BS, MS, PhD
Extension Poultry Specialist, Cooperative Extension Service, and Associate Professor, Department of Poultry Science, University of Arkansas, Fayetteville, AR
Artificial Insemination (Poultry)
Matthew T. Brokken, DVM, DACVS
Clinical Assistant Professor, Department of Veterinary Clinical Sciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH
Lameness in Horses: Disorders of the Carpus and Metacarpus, Disorders of the Fetlock and Pastern
Scott A. Brown, VMD, PhD, DACVIM
Josiah Meigs Distinguished Professor and Head, Department of Small Animal Medicine and Surgery, College of Veterinary Medicine, University of Georgia, Athens, GA
Infectious Diseases of the Urinary System in Small Animals; Noninfectious Diseases of the Urinary System in Small Animals
Cecil F. Brownie, DVM, PhD, DABVT, DABFE, DABFM, FACFEI
Professor Emeritus, College of Veterinary Medicine, North Carolina State University, Raleigh, NC
Poisonous Mushrooms; Poisonous Plants
Glenn F. Browning, BVSc, DVCS, PhD
Professor in Veterinary Microbiology, Asia-Pacific Centre for Animal Health, Faculty of Veterinary Science, The University of Melbourne, Werribee, Victoria, Australia
Infectious Bronchitis
David Bruyette, DVM, DACVIM
Medical Director, VCA West Los Angeles Animal Hospital, Los Angeles, CA
The Adrenal Glands; The Pancreas
Marie S. Bulgin, DVM, MBA, DACVM
Emerita, Caine Veterinary Teaching Center, University of Idaho, Caldwell, ID
Health-Management Interaction: Sheep; Lameness in Sheep; Scrapie
Kristine E. Burgess, DVM, DACVIM (Oncology)
Assistant Professor, Department of Clinical Sciences, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA
Antineoplastic Agents
Amanda Burling, DVM
Maddie’s Shelter Medicine Program, College of Veterinary Medicine, University of Florida, Gainesville, FL
Feline Leukemia Virus and Related Diseases
Raymond Cahill-Morasco, MS, DVM
SeaPort Veterinary Hospital, Gloucester, MA
Zinc Toxicosis
Robert J. Callan, DVM, MS, PhD, DACVIM
Professor, Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO
Bluetongue; Congenital and Inherited Anomalies: Border Disease; Malignant Catarrhal Fever; Sporadic Bovine Encephalomyelitis
John Campbell, DVM, DVSc
Professor, Large Animal Clinical Sciences, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
Respiratory Diseases of Cattle
Wayne W. Carmichael, PhD
Professor of Aquatic Biology/Toxicology, Wright State University, Dayton, OH
Algal Poisoning
James W. Carpenter, MS, DVM, DACZM
Professor, Zoological Medicine, Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, KS
Hedgehogs
Phillip D. Carter, BVSc, MVS
Queensland Department of Agriculture, Fisheries and Forestry, Tick Fever Centre, Wacol, Queensland, Australia
Blood Parasites: Babesiosis
Samuel C. Cartner, DVM, PhD, DACLAM
Assistant Vice President for Animal Research Services and Director, Animal Resources Program, University of Alabama, Birmingham, AL
Euthanasia
Christopher K. Cebra, VMD, MA, MS, DACVIM
Professor, Large Animal Medicine, College of Veterinary Medicine, Oregon State University, Corvallis, OR
Hepatic Lipidosis: Pregnancy Toxemia in Cows
Sharon A. Center, BS, DVM, DACVIM
Professor, Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY
Hepatic Disease in Small Animals
Jens Peter Christensen, DVM, PhD
Associate Professor, Department of Veterinary Disease Biology, Faculty of Life Sciences, University of Copenhagen, Denmark
Fowl Cholera; Riemerella anatipestifer Infection
Edwin Claerebout, DVM, PhD, DEVPC
Professor, Department of Virology, Parasitology and Immunology, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
Anthelmintics
Peter Clegg, MA, Vet MB, DECVS, PhD, MRCVS
Professor of Equine Surgery, Veterinary Teaching Hospital, School of Veterinary Sciences, University of Liverpool, Neston, UK
Lameness in Horses: Disorders of the Back and Pelvis, Disorders of the Hip
Johann (Hans) F. Coetzee, BVSc, CertCHP, PhD, DACVCP
Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, Ames, IA
Systemic Pharmacotherapeutics of the Ruminant Digestive System
Stephen R. Collett, BSc, BVSc, MMedVet
Clinical Associate Professor, Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, GA
Biosecurity; Sudden Death Syndrome of Broiler Chickens
Michael T. Collins, DVM, PhD, DACVM
Professor of Microbiology, Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin, Madison, WI
Paratuberculosis