Stephen M. Reed DVM Dip ACVIM - Equine Internal Medicine, 3e

Equine Internal Medicine

Third Edition

Stephen M. Reed, DVM, Dipl ACVIM

Associate Rood & Riddle Equine Hospital Lexington, Kentucky

Warwick M. Bayly, BVSc, MS, PhD, Dipl ACVIM

Provost and Executive Vice President Washington State University Pullman, Washington

Debra C. Sellon, DVM, PhD, Dipl ACVIM

Professor, Department of Veterinary Clinical Sciences College of Veterinary Medicine, Washington State University Pullman, Washington

SAUNDERS

Front Matter

Equine Internal Medicine

THIRD EDITION

Stephen M. Reed, DVM, Dipl ACVIM

Associate Rood & Riddle Equine Hospital Lexington, Kentucky

Warwick M. Bayly, BVSc, MS, PhD, Dipl ACVIM

Provost and Executive Vice President Washington State University Pullman, Washington

Debra C. Sellon, DVM, PhD, Dipl ACVIM

Professor, Department of Veterinary Clinical Sciences College of Veterinary Medicine, Washington State University Pullman, Washington

Copyright

3251 Riverport Lane

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EQUINE INTERNAL MEDICINE ISBN: 978-1-4160-5670-6

Copyright 2010, by Saunders, an imprint of Elsevier Inc.

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This book and the individual contributions contained in it are protected under copyright by the Publisher (other than as may be noted herein).

Notices

Knowledge and best practice in this field are constantly changing. As new research and experience broaden our understanding, changes in research methods, professional practices, or medical treatment may become necessary.

Practitioners and researchers must always rely on their own experience and knowledge in evaluating and using any information, methods, compounds, or experiments described herein. In using such information or methods they should be mindful of their own safety and the safety of others, including parties for whom they have a professional responsibility.

With respect to any drug or pharmaceutical products identified, readers are advised to check the most current information provided (i) on procedures featured or (ii) by the manufacturer of each product to be administered, to verify the recommended dose or formula, the method and duration of administration, and contraindications. It is the responsibility of the practitioner, relying on their own experience and knowledge of their patient, to make diagnoses, to determine dosages and the best treatment for each individual patient, and to take all appropriate safety precautions.

To the fullest extent of the law, neither the Publisher nor the authors, contributors, or editors, assume any liability for any injury and/or damage to persons or property as a matter of products liability, negligence or otherwise, or from any use or operation of any methods, products instructions, or ideas contained in the material herein.

The Publisher

Previous editions copyrighted 2004, 1998

Library of Congress Cataloging-in-Publication Data

Equine internal medicine/[edited by] Stephen M. Reed, Warwick M.

Bayly, Debra C. Sellon. -- 3rd ed.

p.; cm.

Includes bibliographical references and index.

ISBN 978-1-4160-5670-6 (pbk.: alk. paper) 1. Horses--Diseases. 2. Veterinary internal medicine. I. Reed, Stephen M. II. Bayly, Warwick M. III. Sellon, Debra C.

[DNLM: 1. Horse Diseases. SF 951 E638 2010]

SF951.E565 1998

636.10896--dc22 2009036106

Vice President and Publisher: Linda Duncan

Acquisitions Editor: Penny Rudolph

Associate Developmental Editor: Lauren Harms

Publishing Services Manager: Patricia Tannian

Project Managers: Jonathan Taylor, Sharon Corell

Design Direction: Karen Pauls

Printed in the United States of America

Last digit is the print number: 9 8 7 6 5 4 32

Contributors

Dorothy M. Ainsworth, DVM, PhD, DACVIM, Professor of Medicine, Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York

Frank M. Andrews, DVM, MS, DACVIM, LVMA Equine Committee, Professor and Director, Equine Health Studies Program, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana

Bonnie S. Barr, VMD, DACVIM, Department of Internal Medicine, Rood and Riddle Equine Hospital, Lexington, Kentucky

Michelle Henry Barton, DVM, PhD, DACVIM, Fuller E. Callaway Chair and Professor, Department of Large Animal Medicine, University of Georgia, Athens, Georgia

Warwick M.. Bayly, BVSc, MS, PhD, Dipl ACVIM, Provost and Executive Vice President, Washington State University, Pullman, Washington

Laurie A. Beard, DVM, MS, DACVIM, Clinical Associate Professor, Department of Clinical Sciences, Veterinary Medical Teaching Hospital, Kansas State University, Manhattan, Kansas

Joseph J. Bertone, DVM, MS, DACVIM, Professor, College of Veterinary Medicine, Western University of Health Sciences, Pomona, California

Anthony T. Blikslager, DVM, PhD, DACVS, Professor, Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina

John D. Bonagura, DVM, MS, DACVIM, Professor, Department of Veterinary Clinical Sciences, College of Veterinary Medicine, The Ohio State University, Columbus, Ohio

Barbara A. Byrne, DVM, PhD, DACVIM, Assistant Professor, Department of Pathology, Microbiology, and Immunology, College of Veterinary Medicine, University of California, Davis, California

Elaine M. Carnevale, DVM, PhD, Department of Biomedical Sciences, Animal Reproduction and Biotechnology Laboratory, Colorado State University, Fort Collins, Colorado

Jonathan Cheetham, Vet MB, PhD, DACVS, Department of Comparative Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York

John B. Chopin, BVSc, MACVSc (Equine Medicine), PhD, FACVSc (Equine Reproduction), Coolmore Stud, Jerry's Plains, New South Wales, Australia

Noah D. Cohen, VMD, MPH, PhD, DACVIM, Professor, Department of Large Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas

Marco A. Coutinho da Silva, DVM, PhD, DACT, Assistant Professor, Department of Veterinary Clinical Sciences, College of Veterinary Medicine, The Ohio State University, Columbus, Ohio

Mark V. Crisman, DVM, MS, DACVIM, Professor, Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Virginia Maryland Regional College of Veterinary Medicine, Blacksburg, Virginia