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i just would like to ask on how to determine that your turtle is experiencing pyramiding? I have seen pictures here but I can't really tell the difference...will someone help me?

You should post a picture.

Some people mistake the slight keel on the spine for pyramiding.. I know I did at first.

Here, you see the normal keeled spine of a map turtle (more pronounced than on a RES)

http://media.photobucket.com/image/turt ... ramid1.jpg

Here's an example of slight pyramiding in a RES

http://aqualandpetsplus.com/Turtle338.jpg

Here, you'll see advanced pyramiding in a sulcata tortoise

http://www.turtlerescues.com/images/Knobby.jpg