Quote Originally Posted by LGray23 View Post
My seemingly healthy normal male had hookworms when I got him. No signs or symptoms, only did a random fecal test and it came back positive. Not all parasites show signs. Unless you have fecals done regularly after feeding these wild mice then you can't really know for sure. Again, it's going to be up to you in the end, however you should be aware that wild rodents carry parasites.
Wouldn't freezing them kill off the parasites? Parasites need a live host. That being said I would have to assume that freezing the mouse would kill off the parasites.