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Domestic Rat ReproductionDomestic rats reach sexual maturity after 5 weeks of age. Gestation period lasts 22 days. Rats have large litters: 10-12 babies are born. The babies are born hairless and toothless. 
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Domestic Rat ReproductionDomestic rats reach sexual maturity after 5 weeks of age. Gestation period lasts 22 days. Rats have large litters: 10-12 babies are born. The babies are born hairless and toothless.
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