AFP via Getty Images A three-toed sloth hangs from a branch at the Metropolitan Natural Park in Panama City Thirty-one sloths planned for a new "slothnarium" in Florida have died before the attraction's planned opening, authorities have found. The mammals were planned to be showcased at a permanent, public exhibit at Sloth World in Orlando, set to open this spring. Many of the sloths died due to conditions at a Florida warehouse where they'd been shipped, according to a report released on Friday by the Florida Fish and Wildlife Conservation Commission (FWC). Others arrived in Florida already dead or appeared in ill health and later died, the report states. The owner of Sloth World has denied allegations in the report and said there is "so much false and inaccurate information out there right now". "The truth is, we lost sloths that had a virus of which showed barely any symptoms and was undetectable even after necropsy," Ben Agresta, the owner of Sloth World, told Fox-35 in Orlando.…