MSD Manual

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

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VETERINARY PET
Bacillus anthracis, ground glass colonies
bacillus-anthracis-ground-glass-colonies-genax04-high
Bacillus anthracis, ground glass colonies

    On agar plates, Bacillus anthracis forms opaque, grayish-white colonies 3–4 mm in diameter, with a rough surface and irregular, round margins called glass beads.

Courtesy of Dr. J. Glenn Songer.

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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 leading-edge science to save and improve lives around the world.  The Veterinary Manual was first published in 1955 as a service to the community.  The legacy of this great resource continues in the online and mobile app versions today.

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