Keeping Cats from Reproducing Without Having to Spay Them

New technology can make it much easier to control the feral feline population.


There are an estimated 600 million cats in the world, and almost 500 million of them are free-roaming. Up to 100 million homeless cats live in the U.S. alone. They often survive in suboptimal conditions while they prey on vulnerable wildlife. And they frequently enough get euthanized at overcrowded shelters even though there is absolutely nothing wrong with them. The answer is sterilization to prevent more unwanted cats from coming into the world, and dedicated cat lovers work hard in trap-neuter-release programs where they capture cats, take them to a willing veterinary facility to have them spayed or neutered, and then return them to their feral lives.

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