The New York State Racing and Wagering Board has suspended the harness trainer Lou Pena indefinitely after it contended that a review of the trainer’s veterinary records over a more than two-year period revealed that he had illegally administered 1,719 medications to his horses, the board announced on Thursday. Pena, who had been one of the most successful trainers in harness racing before being ruled off of Yonkers Raceway last year, is facing a maximum $25,000 fine on each violation, the board said, and the possible revocation of his license. He has been ordered to appear before the board on May 30. With the cooperation of New Jersey racing officials, the board said that they reviewed veterinary records for Pena’s horses from January 2010 to April 2012. Although Pena had raced throughout New York, New Jersey and Pennsylvania since relocating from California in 2010, he stabled his horses in New Jersey. According to a notice of suspension the board distributed on Thursday, the veterinary records indicated that horses trained by Pena had been administered a variety of medications such as steroids, painkillers, and anti-ulcer drugs within timeframes in which the drugs are not allowed to be used. For example, the notice states that horses trained by Pena that competed in 632 races at Yonkers or Saratoga Raceway had been administered glycopyrrolate, a common anti-ulcer drug, within 96 hours of the races. The notice also said that Pena had administered methocarbomol, a muscle relaxant, within 72 hours of post to horses that had competed in 639 races. In addition to the maximum $25,000 fine for each of the 1,719 medication violations, the notice also said that Pena should face fines up to $25,000 for each of the charges on three separate counts dealing with fraud, misrepresentation, and “conduct detrimental to the best interests of racing.” In addition to the fines – which, theoretically, could total $171.9 million – the board said that they would seek restitution of $2.5 million in purse earnings from Pena’s horses. Racing boards have rarely used veterinary records to determine that a trainer violated medication rules, but many racing commissions are more aggressively applying investigatory powers because of concerns that the sport has treated violators too leniently in the past. The notice of suspension did not include a reference to one post-race positive drug test. Pena was the leading trainer in 2010 and 2011 at the Meadowlands in New Jersey and Yonkers in New York.