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

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VETERINARY PET
Computer-assisted semen analysis, good sample
computer-assisted-semen-analysis-good-sample-statham-sized2
Computer-assisted semen analysis, good sample

    Snapshot from a computer-assisted semen analysis (CASA) video of a good ("green") semen sample from a bull. Progressively motile spermatozoa are coded green; static spermatozoa are coded red. Note the frequent green spermatozoa in this sample.

Courtesy of Dr. Jonathan Statham.

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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This icon serves as a link to download the eSSENTIAL Accessibility assistive technology app for individuals with physical disabilities. It is featured as part of our commitment to diversity and inclusion. M
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