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Practice Name

Pleasant Valley Veterinary Services

Primary Location
32 Pleasant Valley Road
Washington, NJ 07882
Phone: 908-689-0773
Fax: 908-689-7551

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OSS…Ovary Sparing Spay

What is OSS surgery?  This surgical procedure involves removing the uterus, but leaving one Ovary to continue to provide beneficial hormones to a female dog.  This will render the dog unable to reproduce, and eliminate potential life threatening uterine disease like pyometra.   Some people refer to this procedure as a “partial spay” because the traditional spay involves removal of the entire uterus as well as both ovaries.  We welcome discussion on whether OSS is a reasonable option for your female dog and go over the pros and cons of OSS vs leaving a female in tact completely, or opting for a traditional spay surgery.

In recent years, there have been several studies done to show substantial long term health benefits to keeping hormone function in the female dog.  Some of the health benefits include, a decrease in Cancers such as Osteocarcoma, Hemangiocarcoma and Lymphoma, decreased urinary incontinence, decreased injury to the ligaments and longevity.  An interesting study was done in the Rottweiler breed, showing longevity increased when females were not spayed early.  (Waters DJ et al 2009) OSS surgery provides a viable option for some dogs and their owners to manage potential unwanted pregnancy, yet retain certain health benefits.  To read more about OSS, go to http://www.parsemusfoundation.org and feel free to discuss this with us at your next visit.  

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Trupanion Pet Insurance For years people have asked us if we recommend pet insurance for their dog or cat. We refrained from making any specific recommendation till we came across Trupanion! Make An Appointment We will do our best to accommodate your busy schedule. Schedule an appointment today! Online Forms Our patient forms are available online so they can be completed in the convenience of your own home or office.


Dr. Mary and the staff at Pleasant Valley Veterinary Services are the most accommodating, knowledgeable, and caring professionals I could have ever met in a busy veterinarian office.

- Beth B.

Fear Free Veterinary Visits “Fear Free Veterinary Care” is a movement within the Veterinary community to employ practices within the clinic environment to minimize stress and fear when your pet comes into the clinic for any type of service. Read More


  • 908-689-0773
  • 32 Pleasant Valley Road Washington, NJ 07882
  • Get Directions

Animal Photographs by Karen Hocker Photography

Photos of staff and facility by Rozina Smith Photography