Hi, my pet mouse has open sores on its body. They're basically open wounds. He is currently caged with two other mice who do not have any problems or sores. I'm not sure what is causing this. He acts normal, he's actually the friendliest one and loves attention. He's extremely active, eats normally, and loves his exercise wheel. The mice all get along so I'm pretty sure its not due to fighting.
I was wondering if this could be mites? If it is mites then how come the other mice are fine? Could it be a bacterial infection? Or would the others have it too?
I raise mice for work (don't ask). And at work we have several mouse colonies. I've only seen open sores on overcrowded colonies or those with too many males. You may not see them fighting but the males will attack and bite the weaker ones, even going so far as to chew off their testicles. Gross but true. Most bite wounds are found on the rump. Is that where his are? Try separating him out to his own cage or if you have a couple of girls, let him have those for company. I only keep 1 male per cage and have never had a problem with this. You're right - if it was parasites like mites, more than the one mouse would be affected.
I have a pet mouse he is the only one in the cage. He has open sores on his back. I clean the cage regularly. He has a very healthly diet. I think the sores are from his scratching with such sharp nails. He has chew and scratch sticks but his nails remain sharp. Either way, he constantly scratches and I really feel bad for him. What can I do? Could this be a form of allergy? Mite?
Definitely could be an allergy. Skin parasites tend to cause the fur to thin out and the mouse goes rather bald. I see this most often in squirrels with mange. What type of bedding are you using? I avoid the cedar shavings. They smell nice but those strong aromatic oils can be irritating to small animals.
Mostly I worry about his open wounds. They're just an invitation to bacteria and infection. I don't know how bad they are but if they're more than a little roughed up and pink, if he has an open, wet wound, then he should be seen by a vet. I don't want to recommend any home care. It's a trade off I know cost-wise. But it's a shame if he's suffering.
Try a different bedding too just to see if it helps. Even if you're using pine or corn cob bits, see if there's another type that might help.
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