So there is a little controversy with milkshaking horses in the Preakness race. They will be going for the Triple Crown at Belmont.

BALTIMORE -- With the colorful and controversial I'll Have Another trainer Doug O'Neill squarely in the limelight, scrutiny is sure to intensify about his violations for allegedly giving his horses improper substances.

He was fined $1,000 and suspended 15 days in one incident. He is contesting another.

"We know we play by the rules," O'Neill said. "It's all about the horse, and we're just going to focus on the horse."

O'Neill has been accused in California of "milkshaking" or illegally giving a horse a blend of bicarbonate of soda, sugar and electrolytes -- a mixture designed to reduce fatigue and enhance performance.

An Aug. 25, 2010, blood test on his horse, Argenta, showed elevated levels of TCO2 -- the so-called milkshake -- before it finished eighth at Del Mar in California.

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