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That is a very good explanation of inbreeding pros and cons from respected breeders, Sean & Monica Niland, who have been in this hobby for many, many years.
Their description is exactly how I feel about that subject. Even though blue tegus came from a small original group of possibly related tegus, risking the inbreeding was the only way for these animals to be produced so that we can have them in our collections. It is now a matter of trying to collect future breeders from over a long period of time and from different sources to ensure that they are as distantly related as possible to keep as diverse as we can. If the blue tegu turns out to be T.merianae, we can breed a T.merianae specimen with the qualities we are looking for, into the Blue Tegus and try to add diversity and then breed back into the Blue Tegus to keep the regional effects of the Blue Tegu that we all enjoy.
As far as the albino being created through sever captive inbreeding, that's just not true. Albino's were produced in just the second or third breeding from the same group that came in. Not from father daughter breedings, but from the original group. As such, the albino alleles/gene was already in the Blue Tegus that were imported.
Although interesting, it does not fully relate to albino tegus. Though tegus do require UVB, they do not require direct sunlight. UVB bulbs that are on the market do not put of intense levels of UVB, which is why albino tegus do fine in captivity. I do agree that an albino tegu in the wild, which is dependant upon the sunlight, would be unlikely to survive. On the same note, most albinos of any species in the wild do not survive anyways due to the inability to hide from predators.
Just for general knowledge, if you go outside in during the summer with a UVA/UVB meter and stand in the shade under a thick tree, you will get more UV registered on the meter than you will from a Desert UV 10.0 Compact Florescent bulb.
So, which is it Rick? These articles are correct and therefore you were wrong, or are you saying these articles are wrong despite what you've just said?
Joined: Nov 06, 2004 Posts: 972270 Location: Central Maine
Posted: Sun Nov 04, 2007 10:17 pm Post subject:
tupinambis wrote:
So, which is it Rick? These articles are correct and therefore you were wrong, or are you saying these articles are wrong despite what you've just said?
I am saying exactly what I have been saying. I have no idea if any or all of the original blue tegus were related or not, but even if they were related the morality of breeding them is a matter of opinion and not a matter of fact.
The only fact is that if the risk of possibly inbreeding the original blue tegu stock was not taken, there would be no blue tegus in the pet trade, or our collections. It was a risk that was required to have these wonder animals in our herptoculture hobby.. Now, it's a matter of using stock as far removed from the original stock as possible to make sure you have as much diversity as possible just incase the original blue tegus were related.
As far as albino tegus, I stated the same thing that I stated before.. That albinism is not the result of sever (father/daughter/granddaughter) inbreeding. If two tegus in a small group are albino, it is however likely that they were related since albinism is recessive.
I have no idea if any or all of the original blue tegus were related or not, but even if they were related the morality of breeding them is a matter of opinion and not a matter of fact.
Rick
This is true and also a good point. People who are informed about the inbreeding and who make a conscience and informed decision to still own a Blue Tegu, Well that is their choice. _________________ Arg. B+W Tegu 1.0.0
You lock the door and throw away the key. There's someone in my head but its not me.
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