![]() ![]() “The project demonstrates the success of multi-institutional and multi-disciplinary partnerships and collaborations in saving this iconic species from extinction. Years of widespread poaching and civil war in their home range have devastated northern white rhino populations, and they are now considered to be extinct in the wild. ![]() “We are delighted with the milestones of the project to date,” said Patrick Omondi, director and CEO of the Wildlife Research & Training Institute. The northern white rhino used to range over parts of Uganda, Chad, Sudan, the Central African Republic, and the Democratic Republic of the Congo. “The ground-breaking scientific work we are establishing here will lay the groundwork for future conservation rescue initiatives.” The team plans to transfer the embryos to a southern white rhino surrogate ( Ceratotherium simum simum). “Our next aim is to successfully produce viable offspring by inventing and using new scientific embryo transfer methods and techniques,” said Thomas Hildebrandt, BioRescue project leader and head of the Department of Reproduction Management at the Leibniz-Institute for Zoo and Wildlife Research. In fact, as recently as 1960, there were more than 2,000 white rhinos. That brings the total number of developed embryos to 22. That is because the northern white rhino is now extinct in the wild due to poaching. With help from Leibniz Institute for Zoo and Wildlife Research, Ol Pejeta Conservancy, Safari Park Dvůr Králové, Kenya Wildlife Service & Wildlife Research and Training Institute, the consortium recently completed the 10 th egg harvesting, resulting in five additional frozen embryos. Since 2019, the BioRescue consortium, a group dedicated to developing advanced methods of assisted reproduction to save the northern white rhino ( Ceratotherium simum cottoni) from extinction, has been collecting oocytes from the two remaining female rhinos-named Fatu and Nájin-and developing them with sperm from deceased bulls. Scientists have made a step toward bringing the northern white rhino back from near extinction in the wild by producing new embryos in a lab. ![]()
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