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

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VETERINARY PET
Romanowsky stain variant of spleen, ram cichlid
blue-ram-spleen-dq-stain-petty-sized
Romanowsky stain variant of spleen, ram cichlid

    Touch impression of the spleen of a moribund ram cichlid (Mikrogeophagus ramirezi). Commercial Romanowsky stain variant; original magnification, 400×.

Courtesy of Dr. Denise Petty.

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Viral Diseases of Fish

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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