WHILE reproductive cloning of animals isn’t anything like as controversial as the idea of trying to clone humans, it still evokes strong feelings. Cloning livestock promises to bring us better food, but will anyone eat it? Cloning endangered species is an option only if the animal concerned has a closely related farmyard counterpart to supply eggs and act as a surrogate. And cloning pets is just for the sentimental with more money than biological understanding.
But one application that has received less attention shows a surprising amount of promise: cloning sport horses. These are the animals that compete in events…
