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26-10-2010, 01:23 PM | #21 |
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Egg
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Can't see how humidity would affect bone development directly.
But maybe providing decent humidity for those species that need it (stars, redfoots, kinixys etc) just optimises husbandry...so, all other things being in place (heat, UV, correct balanced diet) the tortoise develops more naturally. Can't apply to meds or desert torts, obviously, where recent ersearch shows that even micro-climates aren't going to be all that humid. Certainly not the 80-100% that some people advocate aiming for for hatchlings.
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26-10-2010, 04:54 PM | #22 |
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Damn, there was me providing humid hides too, what a waste of time that was
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02-06-2012, 02:14 PM | #23 |
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Egg
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Scutes that have already exhibited pyramiding cannot be corrected; however if conditions for shell development are corrected the new growth can develop in a normal horizontal direction. It appears that the most critical time for pyramiding to develop is during the first year or two. If conditions are correct during the first year or two and pyramiding has not developed then the chance of pyramiding developing in an older tortoise is greatly reduced even if husbandry conditions are not optimum.
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02-06-2012, 02:18 PM | #24 |
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there was me providing humid hides too
Last edited by jammy0758; 05-06-2012 at 04:18 AM. |
05-06-2012, 04:17 AM | #25 |
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Egg
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This will not be because of age differences lead to different bone density?
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05-06-2012, 04:31 AM | #26 | |
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Believe it or not AH had the closest reason I've ever found. I cannot find the explanation and did not save it.
In a nutshell... the scutes constrain the bone of the carapace. If the scutes cannot grow properly the bone cannot grow properly. The scutes act as a girdle. It doesn't really make sense when you think of the bone being so much bigger and stronger than the scutes... but think of a string or a plastic soda carrier being restrained around a bone... it restricts growth. Ahhh... you hit a very key ponit... all chelonians need the very same basic requirements. The key word is basic. Chelonians adapt to meet those basic requirements. Current technology allows to provide those basic needs so the tortoise does not need those adaptations. Quote:
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05-06-2012, 04:55 PM | #27 |
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I like the theory about the membrane of some sort drying out when the torts are tiny and the scutes growing the wrong way because of that from then on. From my torts being small, one was slightly bumpy and the other wasn't and they are still that way today even though both were kept in the same conditions
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29-01-2014, 10:48 AM | #28 |
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Lack of calcium and vitamin D3 in humans causes similar things to happen to the bones, porous anyway, don't know about thickening
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29-01-2014, 10:54 AM | #29 |
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In humans it's usually too much that causes calcification x
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29-01-2014, 11:21 AM | #30 |
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When I was on steroids for a long time I had to keep getting bone density checks to make sure my bones weren't turning into bars of aero
The doctor told me that from birth to about the age of 30 your bones get stronger then after about the age of 30 your bones start to deteriorate. The deterioration can be slowed down (but not stopped) by making sure you get enough calcium |
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