Senior veterinary nurse Ali Kelsall washes the shaved leg of Juba the cheetah cub ahead of his operation at Chester Zoo, northern England, February 3, 2012. The 9 month old cat was undergoing surgery to insert a metal plate in his right ankle to mend a fracture. Picture taken February 3, 2012. REUTERS/Phil Noble (BRITAIN - Tags: ENVIRONMENT SOCIETY ANIMALS)