Tailess Mice

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Originally Posted by piedlover79

Wow! I have to say the 'Manx Mouse' is really cute! I would experiment to see if she can be bred and if the resulting Manx are healthy. Fun little project!

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Thank you. She is a cutie!

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Small update. As the male grew he developed a very pronounced hip deformity. He walked with his pelvis curved inward, but his legs splayed outward. It produced an odd gait and, from the stiffness of movement, appeared painful. It got worse the larger he got. He also grew much more slowly than littermates. The female had not yet begun to exhibit any of those issues, but I felt like in all probability that she would as she grew larger. She was also smaller than her littermates.
They were culled from the colony as well as the male and the two females that produced them. I'll be bringing in some fresh bloodlines and watching for any more of these guys to pop up. Unfortunate ending, they were the cutest.

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That is very unfortunate because they were cute, but hip deformities are not something you can encourage so you did the right thing. Thanks for the update!

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Originally Posted by piedlover79

That is very unfortunate because they were cute, but hip deformities are not something you can encourage so you did the right thing. Thanks for the update!

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No, they aren't. It would not have been responsible breeding practices, nor would it have been good for the future of my colony.
Your welcome!

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I love manx rats, haha. That's the first time I've seen a manx mouse, though. I have a manx girl who has had a few litters without any issues, she's just a decently put together manx, I guess. It's too bad your mice had issues, it seems as though the manx deformity produces itself a little differently in mice? From my understanding, it's not often they pop up in rat litters, even with either visual or 'carriers' as the parents. You had a lot of weird tail stuff going on with your mice, though.. hm

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Originally Posted by Fraido

I love manx rats, haha. That's the first time I've seen a manx mouse, though. I have a manx girl who has had a few litters without any issues, she's just a decently put together manx, I guess. It's too bad your mice had issues, it seems as though the manx deformity produces itself a little differently in mice? From my understanding, it's not often they pop up in rat litters, even with either visual or 'carriers' as the parents. You had a lot of weird tail stuff going on with your mice, though.. hm

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I really couldn't find much on the issue. It does seem that they are prone to deformity, but I have not compared the issues between the two.

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Manx in US mice is dominant. Just don't breed any that are Manx and you won't have more. Some specific breeders have shipped in recessive manx (like in rats) but not many.

I have one female mouse whose tail was injured. The tail got all hard and, well... dead. I knew it would cause problems in her movement, so I took some scissors and snipped her tail off. She did not act like cutting it off caused her pain.
That was about 3 months ago, she has been doing just fine ever since. She has been normal, had babies, and has had no issues being without a tail.