Editing Ultrasound (section)

=== Veterinary medicine ===
{{See also|Preclinical imaging}}
Diagnostic ultrasound is used externally in horses for evaluation of soft tissue and tendon injuries, and internally in particular for reproductive work{{Snd}}evaluation of the reproductive tract of the mare and pregnancy detection.<ref>{{cite web | vauthors = Pycock JF | title = Ultrasound characteristics of the uterus in the cycling mare and their correlation with steroid hormones and timing of ovulation | url = http://www.equine-reproduction.com/articles/ultrasound-steroids.shtml | archive-url = https://web.archive.org/web/20090131144526/http://equine-reproduction.com/articles/ultrasound-steroids.shtml | archive-date = 31 January 2009 }}</ref> It may also be used in an external manner in stallions for evaluation of testicular condition and diameter as well as internally for reproductive evaluation (deferent duct etc.).<ref>{{cite book | vauthors = McKinnon AO, Voss JL | title = Equine Reproduction | publisher = Lea & Febiger | date = 1993 | isbn = 978-0-8121-1427-0 }}</ref>

By 2005, ultrasound technology began to be used by the beef [[cattle]] industry to improve animal health and the yield of cattle operations.<ref name=SubiacoDeltaFarm>{{cite web
 |url=http://deltafarmpress.com/news/050520-subiaco-angus/
 |title=Subiaco Abbey's Angus herd
 |vauthors = Bennett D
 |date=May 19, 2005
 |work=Delta Farm Press
 |archive-url=https://web.archive.org/web/20070404221048/http://deltafarmpress.com/news/050520-subiaco-angus/
 |archive-date=April 4, 2007
 |access-date=February 27, 2010 }}</ref> Ultrasound is used to evaluate fat thickness, rib eye area, and intramuscular fat in living animals.<ref name=WVUWagner>{{cite web
 |url         = http://www.caf.wvu.edu/~forage/breeding/cattlebr.htm
 |title       = Extension Effort in Beef Cattle Breeding & Selection
 |vauthors     = Wagner W
 |work        = [[West Virginia University]] Extension Service
 |archive-url  = https://web.archive.org/web/20081214174609/http://www.caf.wvu.edu/~forage/breeding/cattlebr.htm
 |archive-date = December 14, 2008
 |access-date  = February 27, 2010
 }}</ref> It is also used to evaluate the health and characteristics of unborn calves.

Ultrasound technology provides a means for cattle producers to obtain information that can be used to improve the breeding and husbandry of cattle. The technology can be expensive, and it requires a substantial time commitment for continuous data collection and operator training.<ref name=WVUWagner /> Nevertheless, this technology has proven useful in managing and running a cattle breeding operation.<ref name=SubiacoDeltaFarm />