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Posted by Dwight Sayers on April 07, 2002 at 11:03:16:
In Reply to: Cribo breeding Temps? posted by David on April 07, 2002 at 09:34:43:
: I found the discussion on breeding temps informative & fascinating, particularly the differences in methods among successful breeders. Would anyone care to go out on a limb & carry it over to the Central & South American Drymarchon. Most people that I've spoken to keep all Drymarchon under couperi conditions ( whatever that is) this has always seemed unlikely to me due to the large range of these snakes south of the border. I know that Blacktails & Unicolors are bred with some regularity ( have eggs myself this year) what about Redtails or Yellowtails (mine showed no inclination to mate), the information on the new Drymarchon species suggested that the habitats of the various "species" in Venezuela were quite different.**************************************
***In the seventies and early eighties I had the fortune of breeding cribos four times. Three of these times were yellowtails and one clutch were Central American. Back then temp ranges were not known and people who did hatch Drymarchon eggs just complained about bent and twisted babies. However I can truthfully say that all the cribo eggs hatched at 83 - 85 degrees!! Not one deformed baby. Back then I used sphagnum moss as a incubating substrate. They hatched around 75-80 days. We didn't know about low incubating temps. and hatched the eggs at normal colubrid temp. ranges. If i manage to breed current pair of yellowtails I think I will incubate at about 80, no higher. Who knows!!!! We also bred easterns back then, using mid 82.5-84.5 degrees. These temps produced kinking and twisting in babies, however we did get the odd straight one. Bred Texas, and hatched 6out of 10 eggs at 83.5 F and all the babies were fine. Again, I certainly would not recommend those temps nowadays, but we didn't know back then.
