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

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Bacillus anthracis, methylene blue stain
bacillus-anthracis-methylene-blue-stain-genax01-high
Bacillus anthracis, methylene blue stain

    Photomicrograph of a tissue smear demonstrating Bacillus anthracis. Note the intense red stain of the large capsule of this organism. Methylene blue stain; original magnification, 400×.

Courtesy of the Department of Pathobiology, Ontario Veterinary College, University of Guelph.

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Anthrax in Animals

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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