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Advanced Discussion
Lighting/Enclosures
Are we overexposing our dragons to UV?
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[QUOTE="Claudiusx, post: 1894703, member: 31715"] Agreed, and a valid point in regards to the MBD we can actually see. Not too sure I agree with you on this one, although I'm admittedly on the fence on it just because I haven't done as much research into it as other aspects of this. In natural sunlight, the sun will start destroying more d3 from being produced in the skin once a certain threshold is reached. This is not true for artificial lighting, and in theory could lead to over production of D3, which of course like everything, has it's own issues. I don't believe we've actually seen any clinical cases of hypervitaminosis D simply from over exposure to artificial UVB bulbs in dragons, so I might be reaching a bit there, but it's in the realm of possibilities I'd imagine. EDIT: not to mention, too high of a dose can lead to other issues such as cell damage. Once again though, we don't know what that level is. I personally like to err on the side of less, but in the range that Francis mentions also. Especially with the ability to supplement vit D3 in a calcium powder, I think any slight deficiency in the uvb bulbs power can be made up for in supplement. I BELIEVE it takes less UVI to get the other benefits of uv exposure (such as the feel good endorphins, immune system benefits, etc.) than it takes to synthesis D3. It's a complicated subject, but an interesting one to discuss at least. And I appreciate different viewpoints being discussed here. -Brandon [/QUOTE]
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Lighting/Enclosures
Are we overexposing our dragons to UV?
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