Researchers find optimum way to monitor blood oxygen levels in immobilised rhinos [SOUND]

# Pulse oximeters, originally designed for humans, can be used more effectively to monitor the blood oxygen levels of rhinoceroses who are under anaesthesia and immobilised. This is according to new research by the University of Pretoria. Immobilising rhinos for dehorning or relocation is becoming a routine procedure for wildlife veterinarians working to protect these animals from poaching. The university’s doctor Thembeka Mtetwa, says the rhino’s third eyelid proved to be the most reliable site to attach the pulse oximeter: