NEW ORLEANS — The first horse from the Fair Grounds Race Course’s 2012-13 meet to qualify for the prestigious Kentucky Derby is done for the year.

In his first workout since his huge, upset win in the Risen Star Stakes on Feb. 23, Ive Struck a Nerve broke his left front ankle just before 9 a.m. Saturday morning, an injury that trainer Keith Desormeaux said will keep the upstart mount out of action for six months.

That means Nerve won’t compete in any of the upcoming Triple Crown races or the 100th running of the $1 million Louisiana Derby on March 30. But Desormeaux said the horse’s ankle isn’t shattered and certainly isn’t a career-ending injury.

As a result, Desormeaux put the prized colt’s injury into perspective Saturday afternoon.

“It’s disappointing, but it would only be bad if the horse’s life was in peril or if he was in severe pain,” he said. “It’s disappointing but we’re a long way from being suicidal. This horse will be well taken care of, and he doesn’t owe us anything. He’s given us thrills beyond expectations, so how can we be disappointed, really?”

Nerve’s injury comes just days after Nerve’s initial owner, Matt Bryan, sold a minority interest in the horse to Boston investment banker Paul Braverman, a development that itself made national headlines in the racing community.