Polly the Tortoise Has Bladder Stone Removed

By Tatiana Guertin on
Handout picture of the bladder stone of five-year-old, Polly, an African pancake tortoise, who is recovering after an operation to remove a bladder stone the size of a small egg at Bristol Zoo on October 7 2008 in Bristol, England. During the hour-long operation vets had to cut away a hole in the bottom of Polly?s shell in order to remove the bladder stone, which may otherwise have killed her within weeks or months. The bladder stone weighed 19g and measured 3.7cm (1.5 inches) by 3cm (1.2...Read Full Story