Unless you are trying to prove a new unique morph where only one animal exhibiting the trait exists, something NONE of us probably are dealing with, there's no reason to do it. There's tons of people out there who would do an equal trade to bring new blood into their program.
This question was asked on one of the other forums I visit. No one had an exact answer, but one of the breeders on that site figured you could go out 10 generations before problems started to appear. But, like Elevate said, it's something to avoid if possible.
Unless you are trying to prove a new unique morph where only one animal exhibiting the trait exists, something NONE of us probably are dealing with, there's no reason to do it. There's tons of people out there who would do an equal trade to bring new blood into their program.
thats pretty much the circumstances i was wondering about. One day, when done playing catch up, i would like to make me some pretty albino pieds ONE DAY
I think corn snakes are on their 11th generation of inbreeding/line breeding with no major ill effects.
There are probably less than 5 true captive bred generations of ball pythons in captivity.
We've got a while before it's a concern.
-adam
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Originally Posted by elevatethis
ONE DAY
or 
? Ever done?