I would really love to be able to figure out an approximate age for Edna. Is there a way to do that. I measured her and she's 7 & 5/8" long and 4 & 15/16" wide. I traced around her because I figured that would give me the best measurements. I know I won't be able to get an exact age but if anyone could give me an approximate one that would be really cool.
approximate age?
- Thread starter Shalon
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Having a picture to see would help to estimate her age. 
Danny
Danny
And knowing exactly how it was measured- straight-line carapace or along the curve, from what point to what point, etc.
If it is straight-line, my big ones were 3, 3.2, and 3.8 years old at that size. (The biggest one is based on an estimated hatch date. The other two are relatively accurate.)
If it is straight-line, my big ones were 3, 3.2, and 3.8 years old at that size. (The biggest one is based on an estimated hatch date. The other two are relatively accurate.)
I have pictures of her here:
http://tortoiseforum.org/thread-10522.html
I put her on a piece of paper and traced around her shell. I then measured, in a straight line, from where her head would be to the opposite end of the tracing. For the width measurement I measured the widest part.
http://tortoiseforum.org/thread-10522.html
I put her on a piece of paper and traced around her shell. I then measured, in a straight line, from where her head would be to the opposite end of the tracing. For the width measurement I measured the widest part.
Don't know what Mark is feeding those.. my early '05's are that size.
NERD
NERD
I know that Dale is about 7 inches long and 4 3/4 inches wide and you guys figured him to be about 4 years old. Now I'm confused.
I've been trying to find a growth chart for Red-foots for a couple years now. I know there is a lot of variation, but it should still be possible to track averages and standard deviations. So far, no luck.
Mike Pingleton mentions in his book that field research shows that wild Red-foots grow about an inch a year (the growth speed is not consistent, but averages out this way for larger numbers of studied animals), so a Red-foot starting off at about 2.5" would take about 5 years to hit 7.5".
So, yeah. I've been overfeeding again and had to change the portions and fast days ratios again to compensate. I've also cut the meals with more low-nutrition filler, like leafy lettuces. Most captive tortoises tend to grow too fast because most keepers overfeed.
Mike Pingleton mentions in his book that field research shows that wild Red-foots grow about an inch a year (the growth speed is not consistent, but averages out this way for larger numbers of studied animals), so a Red-foot starting off at about 2.5" would take about 5 years to hit 7.5".
So, yeah. I've been overfeeding again and had to change the portions and fast days ratios again to compensate. I've also cut the meals with more low-nutrition filler, like leafy lettuces. Most captive tortoises tend to grow too fast because most keepers overfeed.
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