The fire that made Serena’s Song one of the most remarkable racemares of her generation hasn’t faded over the years.

The list of candidates for the title of best American racehorse never to earn a championship can be as long as one’s racing memory.

The author’s personal list will always start with Gallant Man, who split eight meetings with 1957 Horse of the Year Bold Ruler and beat 1958 Horse of the Year Round Table in their only three meetings but never won the right race to nail down a championship against that epochal crop of racehorses.

Multiple Grade/Group 1 winner St Nicholas Abbey showed positive signs in his initial stages of recovery on Saturday following emergency colic surgery the day before at Fethard Equine Hospital in Ireland, according to information released by Coolmore Stud via Twitter.

Duane and Wayne Murty, brothers who were at the center of an animal neglect investigation earlier this month involving the former Hopewell Farm in Woodford County, Ky., have been arrested and charged with second-degree cruelty to animals, according to the Woodford County Detention Center’s inmate listing.

The arrests, which were first reported by local television station WLEX, took place on Thursday. The men have a July 29 court date in Versailles, Ky., and each is being held on $7,000 bond.

The deadline for stallion managers to submit their Reports of Mares Bred to The Jockey Club for the 2013 breeding season is August 1.

Stallion managers who submit their reports by August 1 will be among the first to receive their Stallion Service Certificates.

Unbridled’s Song, a Grade 1 winner and one of the top commercial sires of his generation, was euthanized on Friday after a large mass was discovered in multiple sinus cavities and around his optic nerves, leading to a rapid decline in health. He was 20.

The horse had been admitted to Rood and Riddle Equine Hospital in Lexington, Ky., on Thursday to undergo tests for symptoms of neurological issues that had developed earlier in the day.

The Thoroughbred Owners and Breeders Association will conduct a pedigree and conformation clinic on Monday, August 5, and a Thoroughbred ownership seminar on Thursday, August 8, in Saratoga Springs, N.Y.

Grade 2 winner My Pal Charlie’s first winner as a sire came on Thursday at Evangeline Downs, when My Charlie Ray won his debut race by disqualification.

The 2-year-old bay gelding finished a game second to the unofficial winner of the five furlong race, Mr. Drew, but he was bothered at the start by the winner and forced into other rivals, leading the stewards to place My Charlie Ray first.

In a major setback to efforts to save him, Coolmore Stud’s champion St Nicholas Abbey underwent emergency surgery Friday morning to treat what the farm called “a bad colic.”

The list of winners of the Grade 1 Diana Stakes, to be contested for the 75th time Saturday at Saratoga Race Course, is littered with champions and Hall of Fame members, as some of the most famed horses and humans involved in Thoroughbred racing have left their mark on the event. Among the prominent operations that have helped to write the history of Saratoga’s premier event for turf fillies and mares is Darby Dan Farm.