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Separating male and female rat litter mates


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#1 TRA

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Posted 13 July 2009 - 08:57 PM

Hi. When should I separate male and female rat litter mates? On weening? :)

#2 Carlton H

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Posted 15 July 2009 - 02:36 PM

Rats reach sexual maturity at about 6 weeks, so you want to give yourself a good buffer. I think ~3 weeks would be okay, but I'd want someone to double-check that. I was a mouse guy, not a rat guy.

Cheers,
-Carlton
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#3 Animaniac

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Posted 22 July 2009 - 05:46 PM

Rats and mice are the same. They should be weaned at 3-4 weeks of age. Some strains of rat (and mice) sexually mature as early as 5 weeks. Also if the animals are permenant breeding pairs, they will have post-partum mated and by three weeks after the birth of their litter they would be ready to drop their next litter anyway.

Cheers

Sandie




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