BOSTON (AP) — Horse track operators and breeders are concerned the good times might be trotting to a close. Some states are looking to rein in a lucrative subsidy that's helped prop up their long-suffering industry. Twenty states divert a slice of revenues from casino table games and slots machine to help boost horse racing prize money. Bigger purses are supposed to draw top level horses and generate more betting activity, helping revive the once-popular industry. But industry experts say lawmakers in West Virginia, Iowa, Indiana, Delaware and elsewhere are pushing changes as their states face budget deficits and local casinos are losing revenue to out-of-state competition. The horse industry has touted the jobs and economic impact they produce.Read more on NewsOK.com