HomeCat HealthneuteringIs a male cat still fertile after neutering?


Is a male cat still fertile after neutering? — 20 Comments

  1. It strikes me odd that the neutered male is still fertile, even for such a short period.
    When cats undergo sterilization, their bags are completely unpacked, nothing remains. When men undergo a vasectomy, they only have the tubes (vas deferens) severed. The procedure is similar to a woman having her tubes tied. The vas deferens are cut, a piece is removed, and each end is tied and sealed to prevent sperm from passing through. The testicles remain in place but are not connected to the vas deverens which prevents the sperm from leaving the body. They are eventually absorbed.

  2. We just got our brother cats done a week ago. I would never be daft enough to re-introduce them to their sister who we aren’t getting spayed until they have fully healed themselves. I think if someone were to think about it logically; I wouldn’t be re-introducing them until their surgical site had completely healed, and probably only after their fur had grown back in. But… =\ It probably should become required protocol for vets to tell their patient’s caretakers when they can be re-introduced to intact females without the risk of pregnancy. Did any of this make sense?

    • Are you saying there should a pause after the operation? If so is it to prevent pregnancy or to let the wound heal? I don’t understand it to be honest ( 😉 ) but thanks for visiting and commenting.

      • I think there should be a pause to both let the wound heal and to prevent pregnancy. Our boys’ hormones spiked hours after their neuters. To the point where they were all mounting each other for hours after just to get rid of the feeling. Then their fights were bad and seriously hormone-driven up until about 7 days later, when their fights turned into swatting at each other with vengeance. Now after 14 days they’re acting like kittens with each other again, but they’re still mildly interested in hearing a female yowl, so… I’m waiting the full 8 weeks.

  3. I was allowed to watch the sedation process. Two injections while I held the carrier open. The vet warned me to be ready to shut the door of it as soon as he did the second injection. The cat was totally asleep within a few minutes.

    Michael I get the feeling you have a spin-off article in here somewhere. Just can’t put my finger on the topic…

  4. Yes, the drive remains and active sperm are still present for a while.
    Castration, as it used to be, doesn’t happen here anymore. Now, the testes are, actually, cauterized/burned down to just nubs.
    Are you guys cringing now?

    • I bloody well am cringing! Sometimes, at an emotional level, I think castration or cauterizing a cat’s balls is horrible, barbaric and cruel but….sadly it has to be.

      • Oh Michael, a male cat isn’t emotionally attached to his boy parts. He doesn’t go around fretting that neutering will make him less of a man cat. And I didn’t realize the cancer risk is greater for cats with undescended testicles. Plus the spraying and urine smell issues are corrected with neutering. And recovery is so fast for the boys. Our Jasper had a lot of pain but he’s the only male we had to give pain meds for 3 days.

    • That’s new to me Dee, I don’t think any vets here do it that way yet, but maybe it will come.
      It sounds worse to me than simply removing the testicles which only takes seconds, I cringe thinking of cauterising done by someone not expert at it, leaving the cat’s skin burned.
      Like laser declawing ‘supposed’ to be kinder, well it isn’t!
      It does take time for hormones to settle down, some people are disappointed thinking their older tom cat will come home transformed.
      I agree with you Michael, the whole thing is barbaric and cruel and we really have no right to interfere with cats that way, but we have no choice since we domesticated them.

  5. Really surprised at this as I thought castration, which is more thorough than a vasectomy, took away the urge to mate altogether, you’d think hormones would settle down very quickly after the whole set of equipment was removed wouldn’t you?

  6. Thanks Elisa. I presume it is because sperm is in the system still after neutering. Are you sure it is 48 weeks after the op.?

    Why do Nine Mile Vets say 8 weeks? Yahoo Answers says 49 days? I am confused 😉

    • It’s 4-8 weeks Michael. Please fix that for me. In a man it’s 6 weeks after a vascectomy so I would think that would be about right. 🙂

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