World’s first profitable embryo switch in rhinos paves the way in which for saving the northern white rhinos from extinction

Scientists have succeeded in reaching the world’s first being pregnant of a rhinoceros after an embryo switch. The southern white rhino embryo was produced in vitro from collected egg cells and sperm and transferred right into a southern white rhino surrogate mom on the Ol Pejeta Conservancy in Kenya on September 24, 2023. The BioRescue staff confirmed a being pregnant of 70 days with a well-developed 6.4 cm lengthy male embryo. The profitable embryo switch and being pregnant are a proof of idea and permit to now safely transfer to the switch of northern white rhino embryos — a cornerstone within the mission to avoid wasting the northern white rhino from extinction.