![]() ![]() “All rhino births are significant,” the zoo adds. Someday, these cell lines may be used to create northern white rhino sperm and egg cells, leading to embryos that could be implanted in surrogate mothers like Livia, says the news release. The zoo is also home to a so-called frozen zoo, a cryobank that stores reproductive cells and embryos from almost 1,000 species, including 12 northern white rhino cell lines. To save the northern white rhinoceros from extinction, the BioRescue team is racing to create lab-grown egg and sperm cells of the critically endangered subspecies. The San Diego Zoo’s Northern White Rhino Initiative hopes to use cutting-edge reproductive technology to try to save the species from the brink of extinction. “Livia is now among the female rhinos at the Nikita Kahn Rhino Rescue Center who could potentially serve in the future as a surrogate mother to a northern white embryo,” says the release. Her successful pregnancy means that she may be a candidate to carry a northern white rhino embryo in the future. That’s where Livia – the San Diego Zoo’s newborn calf’s mother – comes in. Neither have been able to carry a pregnancy to term. ![]() ![]() There are just two northern white rhinos left, a mother-daughter pair living in a conservancy in Kenya. There are around 10,000 southern white rhinos in the wild, according to the IUCN.īut it’s a far different story for the species’ northern cousins, whose population has been devastated by poaching for their horns and other body parts. The baby is a southern white rhino, which is listed as “Near Threatened” by the International Union for Conservation of Nature (IUCN). There are two subspecies of white rhinoceros: southern and northern. Najin, one of the world's last northern white rhinos, retires from breeding She is one of only two surviving northern white rhinos worldwide. Najin, a 32-year-old northern white rhino, has been retired from a breeding program aimed at saving the species after researchers found benign tumors on her reproductive organs. ![]()
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