That depends on where you live and which vet you go to. The best way to find out how much it costs is to phone your vet and ask them :)
By the way, this is a very informative site about neutering guinea pigs:
Hello! Ah, another all black piggy, he sounds like a perfect boyfriend for Billie & Billy, he’s exactly their type ^^
About your question, your situation is quite similar to this anon:
This anon also wanted to get their male guinea pig a friend. If you still have some more questions after reading that let me know :)
Billie & Billy when they were 9 weeks old, this was their first time in the garden.
I’m on vacation (without the guinea pigs) and I return next week, I will make and upload some new stuff then :)
I do have some old photos on my laptop though, I could upload a few of those until then.
Hmmm… I actually don’t have any experience with breeding guinea pigs myself so I don’t really know. I looked it up in a couple of my guinea pig books and they all say something different:
- one says it’s fine to keep them together, no problem at all
- one says you can keep them together but you should separate them before they give birth
- one says you shouldn’t keep them together because pregnant pigs will fight
Lots of different opinions as you can see.
If anybody has some experience with this situation it would be very helpful if you reply to this post or send me a message :)
I am planning on naming any future guinea pigs Millie & Lily because I have a Billie & Billy and I think that would be a cool combination.
I also like food names a lot, so Cupcake, Cookie, Blueberry, Donut/Doughnut, Jellybean, Pepper, Peanut, Olive, Tofu - and so on.
Maybe some of my followers have some suggestions too. Guys do you know any good guinea pig names for p1ggys? :)