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I'm very uneducated with regards to sexing of T's and I do beleive that this T is still much to small to 100% accurately identify the sex ,but my guess (more "hope" I suppose) is:
Six not sure you going to get many reply's this method of sexing is not really practiced at best you are guessing, you have a 50/50 chance to be right.
The best is to wait for your rat to moult out and then get it sexed.
