Chilean Scientists Develop Reversible Neutering Vaccine for Dogs

October 8, 2024

Chilean scientists have made a discovery, a reversible neutering vaccine for dogs that only requires a simple injection. This vaccine could eliminate the need for surgery, which is the traditional way of neutering. A small terrier in Santiago was one of the first dogs to try this new method. This breakthrough has sparked discussions about the pros and cons of the usual surgical neutering practices worldwide.

What is Neutering and Spaying?

Neutering and spaying are common surgeries performed on dogs to prevent them from having puppies. For male dogs, neutering involves removing their testicles, while for female dogs, spaying involves removing the ovaries or the uterus. These surgeries are invasive, meaning they involve cutting into the body. Male dogs usually recover within a week, while female dogs take a bit longer—about 7 to 10 days—because their surgery is more complicated.

How Does the Neutering Vaccine Work?

This vaccine was created by a veterinarian named Leonardo Saenz. It works by stopping the reproductive hormones in dogs, which makes the dog temporarily unable to reproduce, just like traditional neutering. The vaccine is effective for both male and female dogs and costs around $54. Since it doesn’t involve surgery, it could make it easier to neuter dogs on a larger scale.

Benefits of Traditional Neutering and Spaying

Many veterinarians recommend surgical neutering because it has several health benefits. For example, it can reduce the risk of certain cancers and improve the behavior of male dogs. Spaying female dogs can lower the chances of uterine infections and breast cancer. Neutering early can also prevent testicular cancer in male dogs.

Concerns and Criticism of Surgical Neutering

However, recent studies have raised concerns about the possible long-term effects of neutering and spaying. Research suggests that dogs who are desexed might face higher risks of becoming overweight, developing hip problems, tearing ligaments, or getting certain types of cancers. Critics argue that the hormones removed during these surgeries are important for overall health, as they affect muscle strength and bone growth.

Introducing a reversible neutering vaccine offers a new option for dog owners and veterinarians. It presents a non-surgical way to control reproduction, but it also raises new questions about how it compares to traditional methods. As more research is done, pet owners will have more choices when it comes to the health and well-being of their dogs.

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