Video: New non-surgical way to neuter dogs Veterinarians have developed a new procedure called "Zeutering" as a non-surgical alternative to neutering. The procedure involves injecting the chemical Zeuterin into a male dog's reproductive organ, which then causes the dog to be sterile. But research shows it's only 99 percent effective, and some vets say it may not tame aggressive behavior.
Sept. 4, 2013 - CBS News