The Merck Veterinary Manual is the single most comprehensive electronic reference for animal care information. It is brought to you as a service of
Merck & Co., Inc., providing quality medical information on a not-for-profit basis for more than 100 years.
This online text has now been superseded by publication of the Tenth Edition of
The Merck Veterinary Manual in September 2010, and may contain inaccurate or outdated information. Users should refer to the new text for the most accurate information on treatments, drugs, dosages, and withdrawal times. The Tenth Edition may be purchased online at
www.merckbooks.com.
