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In a groundbreaking development, Argentine biotech firm Kheiron has successfully bred the world's first genetically edited polo horses, aiming to enhance their speed. Co-founder and scientific director Gabriel Vichera explained that the team utilized a technique known as "genetic scissors," which allows precise editing of the horses' genomes before their birth.
The genetic modifications incorporated sequences from Polo Pureza, an award-winning mare, into five horses born in late 2023. According to Vichera, the edits focused on muscle fiber development to enhance speed while preserving the champion horse's other desirable traits. Kheiron has stated that these new horses comply with Argentina’s current regulations and do not constitute genetic doping or genetically modified organisms.
Vichera emphasized that the technique serves to expedite a natural process, allowing for rapid improvements in equine genetics without altering natural sequences. The team also has plans to extend their genetic editing techniques to other animals, including pigs, aimed at making their organs compatible for human transplants.