Distinctive Pro, one of New York's top sires for years, has been pensioned from stallion duty at Howard and Susan Kaskel's Sugar Maple Farm near Poughquag, N.Y. The 25-year-old son of Mr. Prospector out of the Distinctive mare Well Done came down with arthritis in his stifles that made it difficult to mount mares."He's perfectly fit otherwise," said farm manager Dan Hayden. "He has good flesh, his mind is bright, and he eats his grain."Distinctive Pro, who stood the 2004 season for $10,000, has sired 43 stakes winners and a like number of stakes-placed runners. A successful sprinter who equaled a track record for six furlongs at Hialeah, Distinctive Pro sired New York grade I-winning filly Quick Mischief and nine other graded stakes winners. Quick Mischief won the 1990 Ruffian Handicap (gr. I) at Belmont Park and the 1992 John A. Morris Handicap (gr. I) at Saratoga. Another of Distinctive Pro's daughters, Bodacious Tatas, won the 1989 Molly Pitcher Handicap (gr. II) at Monmouth Park.Bred by Aisco Stable, Distinctive Pro won eight of 13 races and earned $179,187. He is represented by 43 current 2-year-olds, 26 yearlings, and the career earners of $35.2 million.Dr. Blum, a successful New York sprinter and a son of Dr. Fager, was euthanized in early October at Sugar Maple because of a throat tumor. Pensioned for several years, the 27-year-old sired 19 stakes winners and 24 stakes-placed runners as well as the earners of $15.1 million. He topped the $1 million mark in year-end progeny earnings eight times.Dr. Blum's runners included graded stakes winners Richard R. and Medicine Woman as well as 11-time stakes winner Nurse Dopey, who won 16 of 32 races and earned $456,362.Bred by the Christopher T. Chenery Estate, Dr. Blum won nine of 23 races and earned $253,520, with four of those wins coming in stakes at Aqueduct and another stakes at Meadowlands. Produced from the Sir Gaylord mare Due Dilly, Dr. Blum was a half-brother to stakes winners Ring of Light and Spirit Level.