Ovary-sparing Spay

Should we take another look at spay/neuter?

That’s the question posed by dog expert and cognitive scientist Dr. Alexandra Horowitz in an opinion piece in the New York Times titled “Dogs are not here for our convenience.” Central to her article is the issue of spaying and neutering dogs as a matter of standard practice. She argues that we domesticated canines to… Read more


Veterinary conference focuses on pet neuter and health

The 2019 annual conference of the Society for Theriogenology, held in July in Savannah, Georgia, gathered veterinarians from around the globe who specialize in animal reproduction. A full day was dedicated to discussing the impacts of the loss of natural hormones through spay and neuter on the health of dogs and cats. In recognition of… Read more


Health consequences of canine spay/neuter and alternative approaches

Innovative Veterinary Care Journal publishes a review of research on the consequences of canine gonadectomy and of methods to sterilize dogs while preserving hormones for long-term health. In the United States, spaying or neutering a dog has become standard practice to reduce pet overpopulation. Yet recent research has shed light on the long-term health impacts… Read more


Study contradicts assumptions about hormones and aggressiveness in dogs

We’ve all heard that spaying or neutering your dog (gonadectomy, or removal of the gonads, i.e. the ovaries or testes) will help reduce its aggressiveness. However, a recent study including over 13,000 dogs concluded that this assumption is incorrect. In the U.S., veterinarians and animal welfare organizations have long supported gonadectomy as a way to… Read more


The growing interest in hormone-sparing spay

Want the latest information on research regarding ovary-sparing spay? Check out this paper by Oregon State University veterinary student Megan Mattravers for an excellent overview. One size doesn’t necessarily fit all (dogs, that is). Parsemus Foundation has been at the forefront of providing information on a variety of options for pet sterilization. Ovary-sparing spay, or… Read more


Alternatives to traditional spay/neuter

Pet owners are hearing more and more about the potential for negative health impacts of traditional spay and neuter. Since most pet sterilization surgeries remove the reproductive organs responsible for the production of sex hormones, a number of ailments may occur due to this hormonal imbalance. But a growing number of veterinarians offer alternatives. Parsemus… Read more


Updated list of veterinarians

Planning to spay or neuter your pet? There are many options in addition to traditional surgical sterilization practices. The decision depends on your pet and your needs. Nonsurgical options include calcium chloride dihydrate and Zeuterin. For situations when hormones are important to preserve (such as in large-breed dogs), ovary-sparing spay and vasectomy are offered by many… Read more


Two more veterinary practices that offer ovary sparing spay added

Did you know that Parsemus Foundation maintains a list of veterinarians who offer ovary-sparing spay or other alternatives to traditional spay/neuter? Two new veterinary practices were recently added: Dr. Randall of Foothills Veterinary Hospital in S. Carolina and Dr. Rastetter in Ohio. For more information, check out our Ovary-sparing spay page. There is also an… Read more