Web2 12 Abstract 13 14 The Thoroughbred horse is a highly valued domestic animal population under strong 15 selection for athletic phenotypes. Here we present a high resolution genomics-based analysis of 16 inbreeding in the population that may form the basis for evidence-based discussion amid concerns 17 in the breeding industry over the increasing … WebSep 28, 2013 · The vast majority of racehorses have an inbreeding coefficient of less than 5%. Inbreeding coefficients over 5% are unusual, and over 10% are very rare. At this point, it is not known if there is a desirable or optimal level of inbreeding. The great Spectacular Bid has an inbreeding coefficient of 4.40% while the similarly-gifted Forego is 1.03%.

Genomic inbreeding trends, influential sire lines and ... - Nature

“The Thoroughbred breed was founded and has since been selectively bred for the purpose of elite racing performance,” she said. “When racing over the distances of 1,000 to 3,200 meters (about 5 to nearly 16 furlongs), Thoroughbreds would be expected to outperform any other horse breed. In our study we … See more Todd and colleagues examined the bloodlines of all 135,572 horses that started in a race in Australia over a 10-year period. For each horse, they calculated the inbreeding coefficient—the amount of inbreeding it has. … See more This information isn’t meant to accuse Thoroughbred breeders, however, Todd insisted. On the contrary, compared to other domestic animal breeding programs, the Thoroughbred is relatively well off. “All domestic populations … See more WebJun 16, 2024 · The Thoroughbred breed, a logical comparison based on written history, appears relatively homogeneous within breed, consistent with the closed breeding practices recorded in the Thoroughbred... earth 911 phone number

Inbreeding depression and durability in the North American …

WebJan 16, 2024 · Here we present a high resolution genomics-based analysis of inbreeding in the population that may form the basis for evidence-based discussion amid concerns in the breeding industry over the increasing use of small numbers of popular sire lines, which may accelerate a loss of genetic diversity. WebJan 21, 2024 · The research, published in the peer-reviewed journal Scientific Reports, analysed the genomes of more than 10,000 thoroughbreds – the largest set of horses … WebApr 13, 2024 · Thoroughbred Horse History Breed Characteristics Health Nutrition Example Diet The Thoroughbred is a popular horse breed widely recognized for its speed and athleticism. Bred specifically for horse racing since the 17th century, Thoroughbreds continue to rule racetracks around the world. While the racing industry produces tens of … ctc meaning in medical terms