The Horseracing Integrity and Welfare Unit announced Jan. 29 that it has directed the Pennsylvania Equine Toxicology and Research Laboratory to modify its instrumentation and methodology for TCO2 testing to mass spectrometry.

The son of Air Force Blue has a comfort level with the turf at Santa Anita having run 16 of his career 22 starts there with a record of 5-2-1. Overall, Air Force Red is 6-3-1 from 22 starts with earnings of $639,074.

There are some particularly well-bred mares on offer at Park Paddocks. Among them is Barton Sales’ Divisimo, a Dansili sister to Matron Stakes (G1) winner Emulous. Emulous is the dam of last year’s Prix de l’Arc de Triomphe (G1) scorer Bluestocking.

Tenma, racing under the Chu’s Baoma Corp. banner, gives the couple a chance at possible Oaks glory in May when she enters the starting gate for the Feb. 2 Las Virgenes Stakes (G3) at Santa Anita Park.

The New York Thoroughbred Horsemen’s Association and the Jockeys’ Guild agreed to a new scale of mount fees for jockeys who ride at New York Racing Association tracks, which will take effect Feb. 1.

Tyler Gaffalione was a clear winner Jan. 25 with three stakes victories, including two graded, on the blockbuster Pegasus World Cup (G1) 13-race program. The panel of racing experts voted Gaffalione Jockey of the Week for Jan. 20-26.

BloodHorse’s annual report on changes in purses and race dates at North American racetracks and a feature on the stallions who were the quickest to sire 100 stakes winners.

A total of 213 head sold for $3,108,700 during the newly minted single-session auction, with an average of $14,595 and a median of $7,500. Fifty-seven horses failed to meet their reserve, resulting in an RNA rate of 21.1%.

Porter on Pedigrees

A little more than a week after he was formally announced as the Eclipse Award-winning 2-year-old male of 2024, Citizen Bull kicks off his 3-year-old campaign Feb. 1 in the $200,000 Robert B. Lewis Stakes (G3) at Santa Anita Park.