Dogs & Cats

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


Calcium chloride chemical sterilant in testicle vs. epididymis

Calcium chloride (CaCl) has been used as a nonsurgical alternative to castrating male dogs and cats. Dr. Raffaella Leoci of the University of Bari in Italy is the lead author of the studies elucidating the optimal formulation for using CaCl in alcohol to sterilize dogs through testicular injection. Her research team has conducted a controlled… 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


Thanks for dog vaccinations

Working with dog sterilization projects in developing countries and resource-limited areas, we are constantly reminded of how important vaccinations are to these populations as well. Most spay/neuter programs vaccinate to protect human health as well as to care for the welfare of the individual dog. But in areas where parvo, rabies and distemper are less… 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


Calchlorin gets a media boost

In a creative twist on the recent news about water and chemical compounds found on Mars, Animals 24-7 urges more widespread coverage of Calchlorin, calcium chloride in alcohol, as a nonsurgical dog sterilant. The announcement by NASA about the new discoveries on the red planet made international headlines. It is likely that calcium chloride exists on… Read more


Ultrasound provides noninvasive hormone-sparing sterilization for male dogs

The optimal ultrasound treatment regime for dog sterilization was determined, providing an option for pet owners who want birth control without the long-term health and behavior changes resulting from traditional neutering An Italian research team led by Dr. Raffaella Leoci recently reported in Reproduction in Domestic Animals the best method for using ultrasound to sterilize… Read more


Awards announced for second round Timmy Prize

The word about Calchlorin nonsurgical pet neuter has begun to spread and more people are using it. To encourage transparency and sharing of information, the “Timmy Prize” was launched by Parsemus Foundation recognizing groups that share their experience using Calchlorin (calcium chloride dihydrate in alcohol). The second round winners include Amici Cannis, who used Calchlorin… Read more