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Is birthing problems in mice common?

A

Arachnofreak

New member
Hi. I am fairly new to mice breeding. I have a few lab cages setup with one male /2 female in them. My first female that i have had for a while had a nice litter a few months ago and raised all her babies nicely. The same female recently was pregnant again and looked like a golf ball with a tail. The other day she started popping a few out and they looked premature, the next day she killed them. And then i noticed she was in pain and had a baby stuck in her canal and she dies shortly after. Is this common in mice or did something cause this? Is it stress related or just something that happens sometimes? Is it possible that she produced so many baby that's what caused the complications? She was definitely way fatter this time then when she had her first litter. Any thoughts from experienced breeder will be appreciated. Thanks.
 
I wouldn't know exactly what causes this I've only had this happen once. But I do know that for my mice that produce more babies then the others I need to feed them more protein then the others, due to the number of babies shes going to have. Even in my rats. As for them eating babies. Theres a number of reasons. Not enough protein in their diet, not enough food, Baby's might have defects (this is where nature takes it course), and cannibalism.
 
I raise rodents for a living. Sometimes this just happens. I believe your mouse probably had too many babies to deliver them successfully. It's unfortunate, but it does happen. The cannibalism is a normal mouse reaction to babies that are premature, ill, deformed in any way. Don't let it deter you! It's a rodent thing, and it happens!
 
Thanks

I was hoping it is just something that happens occasionally just really couldn't find much info about it. Thanks apex!
I am using labdiet rodent feed, it that a sufficient diet for them?
 
Depends on the protein level. I feed my breeders 21% protein at all times. If your protein level is lower, I would suggest adding some dog food to boost it.
 
OK, i think it was only 16% so i guess i should add dog food. Is there a comercially available rodent feed block that is 21%?
 
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