Huge Bladder Stone Removed From Turtle
October 8, 2008

“The X-ray said it all in black and white. At just over five inches long herself, Polly the tortoise certainly didn’t have room for the mysterious egg-shaped growth deep inside her shell. So vets at Bristol Zoo had little choice but to remove it in an hour-long operation. They found a stone in her bladder, thought to have been caused by a build-up of calcium, which measured a considerable 1.5in by 1.2in and weighed 19grams.” w/ photos
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