Quote Originally Posted by Crazymonkee View Post
Or just use quality rodent block, but some don't do either... so that's why it is sometimes an issue.
No one can really say for sure why it happened... but to cover all the bases is needed.
I do agree that excessive inbreeding can play a part... but you can't say it "is" the reason

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I dont totally disagree with the fact that over the years it "could" or "possiably" play a part, but the OP said they have only been breeding for 6 months.