care after operation

Hello everyone! This is my first post here, so hello! My little man Herbie had to have an eye removed about three weeks ago, which went well. Since then, the no-eye side of his head and jaw have swollen up a good bit. It doesn’t seem to be hurting him, and it doesn’t hurt him when I touch it...

Hi, I was wondering how long after a male guinea pig has been newted is it until he can be introduced to a female? I have read online 2 weeks, 4 weeks and 6 weeks?! I am having to get my Fred newted so he can get a girlfriend after he sadly lost his brother recently :-( I am really nervous...