MSD Manual

Please confirm that you are a health care professional

honeypot link
Computer-assisted semen analysis, poor sample
computer-assisted-semen-analysis-poor-sample-statham-sized
Computer-assisted semen analysis, poor sample

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

Courtesy of Dr. Jonathan Statham.