In this 2006 photo released by ViaGen, Inc., mares pregnant with clone horses roam a pasture at Royal Vista Southwest farm in Purcell, Oklahoma. ViaGen announced 30 March, 2006, that it had cloned two champion horses, had started multiple clone pregnacies and was planning more cloned horses in the next year. ViaGen said in a stement this will be the first commercial cloning operation in the US. (AFP PHOTP/VIAGEN, INC./LISA HOKE)
