Friday, February 12, 2010

How is sexing done in rats?

this website may help:


http://www.ratz.co.uk/sexingrats.htmlHow is sexing done in rats?
You can visibly see the difference between male %26amp; female rats. Even in babies..


Males have testicles, females don't. on males just days old you will see a swelling under the base of the tale.... those are his testes
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