05/24/2006 11:00PM

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June 1 is the deadline for applying to purchase tickets for the Breeders' Cup World Thoroughbred Championships on Saturday, Nov. 4, at Churchill Downs. Applications can be found at www.churchilldowns.com or www.ntra.com and may be requested by e-mailing breeders-cup@kyderby.com or mailing to Churchill Downs Breeders' Cup Ticketing, 700 Central Avenue, Louisville, Ky., 40208. . . . Idaho Star, one of two cloned mules pointed for races against each other June 3 and 4 at Winnemucca, Nev., worked out of the gate Thursday at Stockton in California, covering 220 yards in 14.56 seconds. Idaho Star will face Idaho Gem, both cloned at the University of Idaho.