Posted by:
PHLdyPayne
at Fri Jun 18 17:15:59 2010 [ Email Message ] [ Show All Posts by PHLdyPayne ]
You can cook a dragon using nothing but heat...it has nothing to do with UVB at all.
When there is a high uvb index, all this means is the intensity of uvb radiation can cause damage to skin/eyes. This is why many UVB compact bulbs in the past have caused eye damage and death in reptiles, not because it produced alot of heat or alot of UVB itself. The level of uvb available doesn't equal the same thing as harmful range of uvb radiation. However with very high levels of uvb radiation during the middle of the day in direct sunlight, there is often a higher UVB Index.
I have found there is a higher UVB Index on hot and very humid days, compared to days of the same ambient temperature with low humidity.
There is alot of information about UVB at the website below, if you are interested in reading much more about UVB.
www.uvguide.co.uk/index.htm
Dragons will die alot faster from heat than they would from exposure to a high UVB Index. Humans walk about under high UVB Index all the time and they certainly are not dropping dead within hours of exposure. Human skin is far less resistant to UVB radiation than desert dwelling reptiles like bearded dragons.
Heat stroke can occur in a totally dark room if its too hot. I have heard of enough inexperienced keepers accidentally killing their pets due to over heating them even when the primary source of heat is a regular household bulb. ----- PHLdyPayne
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