http://www.parsemusfoundation.org/ovary-sparing-spay/
Ovary Sparing Spay
Parsemus Foundation works to advance innovative and neglected medical research.
http://www.stbernardhealth.co.uk/pyometrainthebitch.htm
Pyometra in the Bitch
Jenny King
http://news.uns.purdue.edu/x/2009b/0...nResearch.html
Message for women and dogs: keeping ovaries is linked to longevity
To the Purdue Research Park,
http://www.purdueresearchpark.com
http://www.rockllewellinsetters.com/...talDec2009.pdf
Exploring mechanisms of sex differences in longevity: lifetime ovary exposure and exceptional longevity in dogs
David J. Waters,1,2 Seema S. Kengeri,1 Beth Clever,1 Julie A. Booth,1 Aimee H. Maras,1 Deborah L.
Schlittler1 and Michael G. Hayek3
http://www.gpmcf.org/respectovaries.html
A Healthier Respect for Ovaries (in dogs)
David J. Waters, DVM, PhD, Diplomate ACVS
Director, Center for Exceptional Longevity Studies
Gerald P. Murphy Cancer Foundation
I'm not sure if all of these address health and longevity links to maintaining ovaries. Just a quick copy from my list.