I have a very old ruthveni that I used this year. He was purpoted to be wc either collected or aquired by Lloyd Lemke in the 80's at the same time the original het for albino Ruthven's came in. I got him in about 2001 and he was a large adult with a big head and faded color then. He produced 7 viable (and no infertiles)eggs this year resulting in 1 full term kinked dead in egg, 1 kinked hatchling and 5 perfectly normal hatchlings. I would say old males are no problem as I have had worse results using younger males.

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