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

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VETERINARY PET
Fly strike, sheep
Fly strike, sheep
Fly strike, sheep

    Video of fly strike (caused by Lucilia cuprina) on sheep in New South Wales, Australia.

Courtesy of Emily Francis, Laboratory of Veterinary Parasitology, Sydney School of Veterinary Science, The University of Sydney.

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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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