Najin and her daughter, Fatu, both live in Ol Pejeta Conservancy in Kenya and are the only two remaining northern white rhinos ( Ceratotherium simum cottoni) in the world. “It was a difficult decision, very difficult, because we had to evaluate the conservation of the species against the welfare and life of the individual animal involved,” Barbara de Mori, director of the Ethics Laboratory for Veterinary Medicine, Conservation and Animal Welfare at the University of Padua in Italy, told Mongabay. The BioRescue consortium resolved to stop harvesting eggs from 32-year-old Najin following an in-depth ethical risk assessment that took many factors into consideration, including her age, reproductive health and overall welfare. Scientists striving to save the northern white rhino from extinction have announced their decision to retire one of the world’s last two individuals from their assisted breeding program. Experts say Najin will still play a crucial role in efforts to save her subspecies, such as passing on social and cultural knowledge to future offspring, and providing tissue samples for advanced stem cell research.The decision followed an in-depth ethical risk assessment that considered multiple factors, including Najin’s age, health and welfare.BioRescue will no longer harvest eggs from 32-year-old Najin, which makes her daughter, Fatu, the sole supplier of reproductive material for the assisted breeding program the program has so far created 12 rhino embryos from Fatu’s eggs. Scientists have decided to retire one of the world’s last two northern white rhinos from their assisted breeding program, which strives to save the subspecies from extinction.
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