Track officials say they typically need a minimum of six horses per race in order to fill the card, and they issued the one-time cancellation because there weren't enough horses to do so.
"We held the draw Tuesday with the hopes for things to change and they didn't," Spokesman Mike Mooney said. "Your desire is to have more than that, obviously. There's a horse shortage and that's a reflection on the economic situation and the entertainment money is the first thing that people tighten up on."
For the first time since 1945, the Del Mar track north of San Diego Wednesday reduced its racing week to five days, citing economic reasons as well.
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