When Mesingw Farm owners Steve and Denise Smith were approached about bringing their colt by first-crop yearling sire Raging Bull to Fasig-Tipton's The Saratoga Sale, it wasn't that hard of a sell.

Need a quick pick-me-up? Skip the Red Bull; how about a shot of stallion semen instead? A horse breeder in New Zealand will be offering flavored samples of the stuff — culled with the use of a fake ...