Abstract: Several cases of urinary calculi have been reported in cynomolgus monkeys but vesical calculi were not reported in rhesus monkeys. The adult male rhesus monkey (Macaca mulatta) presented here had a vesical calculi which was entire urate.
Hong Wang, Wei Si, Yuyu Niu, Lixian Chen and Ye Yan, 2012. Unusual Vesical Calculus in Rhesus Monkey (Macaca mulatta). Journal of Animal and Veterinary Advances, 11: 1790-1792.