Hey Warren, I have literally dozens (and dozens) of documented pairings with POS and parturition dates in BRB's. Some with Ovulation dates as well. Enough that I have determined the average POS - Parturition span in BRB's to be 117 days. Give me a few days to put it all together for you.
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Thanks,
Dave Colling

www.rainbows-r-us-reptiles.com
0.1 Wife (WC and still very fiesty)
0.2 kids (CBB, a big part of our selective breeding program)
LOL, to many snakes to list, last count (02/01/2010):
42.61 BRB
27.40 BCI
And those are only the breeders 
lots.lots.lots feeder mice and rats 



