{"product_id":"understanding-the-power-of-the-x-factor-patterns-of-heart-score-and-performance","title":"Understanding the Power of the X Factor: Patterns of Heart Score and Performance","description":"\u003cp\u003eMarianna 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.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":44983503355957,"sku":"ByrdShop_0929346688","price":316.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8139\/0901\/files\/9780929346687_d7a66ca7-f0d0-4132-ac4f-4012952956e4.jpg?v=1772688996","url":"https:\/\/atxbooks.com\/products\/understanding-the-power-of-the-x-factor-patterns-of-heart-score-and-performance","provider":"ATX Books","version":"1.0","type":"link"}