Hello Mike and Vic, my name is Johanna and i'm from the Netherlands.
We give our Drymarchons also Quail eggs. I don't know any reasons why you shouldn't feed her quail eggs. And if the snakes digest the shells or pass them, i'f never searched for it .
But I know they love Quaile eggs. Maybe it's a good source of calcium?
See the link to our website (the last movie).
www.drymarchon-couperi.nl/film.html
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www.Drymarchon-Couperi.nl