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Marianna Haun wrote about research on large hearts and racehorse performance in her previous book, The X Factor. After three years of continued research and more than 1,000 horse scientifically measured by equine cardiologist Dr. Fred Fregin, Haun reports the newest findings in heart score and pedigree research. She shows readers the photos, pedigrees and actual ECG records of such Thoroughbred racehorses as Northern Dancer, Cigar, Mr. Prospector and more. Standardbred and Quarter Horse racehorses are also featured.
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From Chapter 1: After measuring more than 1,000 horses with an ECG, Dr. Fregin has found the X Factor to be 100 percent consistent, a rarity in scientific research. We have been able to track the large heart from sire to daughter to granddaughter and grandson to great-granddaughter and great-grandson. The heart scores on certain lines have been so consistent that we have been able to determine which X chromosome was expressed and to identify the four abovementioned "super hearts" found in today's pedigrees.
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Book Description Russell Meerdink Co, 2001. Paperback. Condition: New. Never used!. Seller Inventory # P110929346688
Book Description Russell Meerdink Co, 2001. Condition: New. book. Seller Inventory # M0929346688