JANUARY 10, 2015 MARY ANN RATHFON LARGE HEART GENE... The 4 major modern carriers: PRINCEQUILLO- found to transmit the very largest heart of them all, this is the heart Secretariat was running on. He received it from his dam: Somethingroyal, a daughter of Princequillo. WAR ADMIRAL the second largest variation of this gene, this comes to War Admiral from his dam: Brush Up, a daughter of Sweep. The great champion Seattle Slew ran on this heart and this same heart was found in the champion Whirlaway who received it from another daughter of Sweep. BLUE LARKSPUR- almost as big as the War Admiral heart, the great Roberto conquered the Europeans with this heart. MAHMOUD- The English Derby winner, gave his large heart to Northern Dancer. sport-horse-breeder/large-heart.html Although its been noted that Sham carried the second largest Heart documented on record at 18 #s. (Update) Photos: The Sport Horse Show and Database allhorseracing.ag/horse?name=War_Admiral Sport Horses and any other breed that has Thoroughbred may also carry this trait, and if your horse has unusual stamina, longevity and vitality, this is a strong indication that it may carry the large heart. Everlasting Pedigree: Further study has traced the large heart gene all the way back to Hautboy, one of the very earliest Thoroughbreds, but they have lost the genetic trail after that. Hautboys got his large heart gene from his dam, who is only named Royal Mare. Early bloodline research is difficult, and there has been confusion about what the Royal Mares were. Alexander MacKay-Smith cleared up alot of this by going over all the original records, and he found that the ROYlAL MARES, and there were over 100, were bred at Sedbury Stud, usually by Lord DArcy and his relatives. Close review of the old records show that they were not imported as is so often stated, but that they had been bred from the English Running Horse and its forerunner, the Irish Hobby, with some Oriental blood added. He published his findings in his ground breaking Speed and the Thoroughbred, a fascinating and excellent read. [2012 Update! Science has caught up with our equine scholars: In 2010 Dr. Mims Bowers and her researchers revealed that their DNA evaluation of the Thoroughbred has shown that the royal mares were not arabian mares as was long believed by many, but were British and Irish native mares. In 2012 Dr. Emmiline Hill and her team isolated the speed gene in the Thoroughbred and discovered that it originated with those same sprinter Hobby-bred mares (native) of the early racehorse studs.] Photo 1: PRINCEQUILLO Photo 2: WAR ADMIRAL Photo 3: BLUE LARKSPUR Photo 4: MAHMOUD Very interesting information. Internet Photos *All copyright and credit for the posted photos of Princequillo, War Admiral, Blue Larkspur and Mahmoud goes solely to the photographer, who took the picture. All rights are therein reserved.
Posted on: Sun, 11 Jan 2015 05:24:51 +0000
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