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Merck Manual
Veterinary Manual
The trusted provider of veterinary information since 1955

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VETERINARY PET
Wooden tongue, cow
wooden-tongue-cow-smith-sized
Wooden tongue, cow

    Typical appearance of actinobacillosis in cattle. Note the enlarged tongue hanging from the mouth, which will be very firm upon palpation, hence the common name for the disease "wooden tongue."

Courtesy of Dr. Geof Smith.

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Actinobacillosis

Merck & Co., Inc., Rahway, NJ, USA (known as MSD outside of the US and Canada) is dedicated to using the power of leading-edge science to save and improve lives around the world.  The Merck Veterinary Manual was first published in 1955 as a service to the community.  The legacy of this great resource continues as the Merck Veterinary Manual in the US and Canada and the MSD Vet Manual outside of North America.

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