Scientists in Italy fertilize 7 northern white rhino eggs, as wildlife experts and veterinarians are hoping that the species can reproduce via a surrogate mother rhino.
Silvia Colleoni's hand holding a syringe was trembling as she injected liquid into a micro pipette to facilitate the aspiration of sperm that had been removed and later frozen from one of the last then-living male northern white rhinos on Earth.
"After it was over, I was calm, but it's a manual task, any error, any slipping, if it falls, will result in irreparable damage." Wildlife experts and veterinarians are hoping that the species can reproduce via a surrogate mother rhino, since neither Najin nor Fatu can carry a pregnancy. "We expect some of them will develop into an embryo," Cesare Galli, a founder of Avantea and an expert in animal cloning, said after the procedures were carried out.
Galli said that the sperm used came from two northern white bulls, named Suni and Saut, who had been living in a zoo in the Czech Republic. The sperm of both now-dead males were used to enhance chances of reproductive success, especially since Suni is the half-sibling of Najin. In addition, Saut's sperm was difficult to work with, the company said.
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