Re: linebreeding and inbreeding: with all due respect

Posted by Rainshadow on January 07, 1999 at 03:05:36:

In Reply to: Re: linebreeding and inbreeding: Rick is correct posted by Steve Osborne on January 06, 1999 at 13:07:07:

This recent data suggests that there may be genetic mechanisms in place in wild populations that inhibit the effects of inbreeding depression. Steve Osborne

I disagree,however,the mysterious "genetic mechanism" is called natural selection,and,the opposite can,and,is being practiced as a result of commercial breeding.amelanism,for example, in wild poulations,is the exeption rather than the rule.I think to convince ourselves that simply because reptiles have proven themselves to be more resilient to the deleterious effects of intense inbreeding,in comparison to more highly evolved forms of life,and,are therefore immune to the same pitfalls,is shortsighted,at best. I honestly believe,I have seen negative effects of this, manifest,not only in Dumeril's Boas,but,also in Burmese Pythons(particularly albinos),Western Diamondbacks(also amel's),as well as,Cal.Kings,and,Corn morphs,these examples were most certainly not all husbandry errors. This is one of the reasons that studbook programs have begun to be implemented with species of limited genetic bases. R...

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: This recent data suggests that there may be genetic mechanisms in place in wild populations that inhibit the effects of inbreeding depression. Steve Osborne : I disagree,however,the mysterious "genetic mechanism" is called natural selection,and,the opposite can,and,is being practiced as a result of commercial breeding.amelanism,for example, in wild poulations,is the exeption rather than the rule.I think to convince ourselves that simply because reptiles have proven themselves to be more resilient to the deleterious effects of intense inbreeding,in comparison to more highly evolved forms of life,and,are therefore immune to the same pitfalls,is shortsighted,at best. I honestly believe,I have seen negative effects of this, manifest,not only in Dumeril's Boas,but,also in Burmese Pythons(particularly albinos),Western Diamondbacks(also amel's),as well as,Cal.Kings,and,Corn morphs,these examples were most certainly not all husbandry errors. This is one of the reasons that studbook programs have begun to be implemented with species of limited genetic bases. R...

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