Cover Image


View/Hide Left Panel

500 Fifth Street, N.W. Washington, D.C. 20001

NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of Sciences, the National Academy of Engineering, and the Institute of Medicine. The members of the committee responsible for the report were chosen for their special competences and with regard for appropriate balance.

This study was supported by the American Animal Hospital Association, the Association of American Veterinary Medical Colleges, the American Veterinary Medical Association, the Centers for Disease Control and Prevention under Contract No. 200-2000-00629 (Task Order No. 28), the National Association of Federal Veterinarians, and the National Center for Research Resources and the National Institute of Environmental Health Sciences of the National Institutes of Health under Contract No. N01-OD-4-2139 (Task Order No. 140). Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the authors and do not necessarily reflect the views of the organizations or agencies that provided support for the project.

International Standard Book Number 0-309-09660-X (Book)

International Standard Book Number 0-309-55051-3 (PDF)

Library of Congress Catalog Card Number 2005931857

Additional copies of this report are available from the
National Academies Press,
500 Fifth Street, NW, Lockbox 285, Washington, DC 20055; (800) 624-6242 or (202) 334-3313 (in the Washington metropolitan area); Internet,

Copyright 2005 by the National Academy of Sciences. All rights reserved.

Printed in the United States of America.

The National Academies | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement