20 to 25 years
How long is the life span of a Thoroughbred? Depending on their health, history, breeding, and many other factors, Thoroughbreds can average between 20 and 35 years. This can vary, but they're certainly able to live past … 20 with proper care.  Horses are living longer than ever. About.com Horses readers have submitted the ages of the oldest horses they know, and it's clear that many horses live beyond the age of 30 with good care. The average age is 28 + 5 years. That means the average life span is 25 to 33. Many horses go well beyond this average.  The pattern of movement any animal produces with its legs is known as its gait. The Thoroughbred's gait in a full gallop is something spectacular. The average stride length of a Thoroughbred tends to be more than 20 feet (6.1 meters) [source: Horse Hats ].  Height: The height for this breed is 17 hands. This approximates to 68 inches to the withers of the horse. Average height for horse breeds is 15.2 hands or 60.8 inches. Therefore, the Thoroughbred is taller than most horse breeds. Weight: The Thoroughbred weighs 1,000 pounds, which is 25 pounds lighter than the average horse breed. Life: Most horse breeds tend to live between 25 and 30 years. Not surprisingly, the Thoroughbred has a life expectancy in line with other horses.  Asker's rating. Report Abuse. the average lifespan of a horse is 20 to 25 years...not entirely sure if a racehorses life is slightly shorter or longer...most standardbreds (harness racers) have a much longer career than an average thoroughbred, or quarter horse even though they race as often as weekly... doingitright44 · 9 years ago. Thumbs up.  Thoroughbred can weigh in range of 1000 to 1200lbs (450-550kg). LIFE EXPECTANCY. Average life span of a Thoroughbred horse is somewhere between 25 to 35 years, depending on the health care provided.  If a horse is completely healthy yes, it might live to be 40 years old, but that is a stretch. Biological factors, riding accidents, illnesses/diseases, etc. make it very hard for a horse to live for that many years. The average lifespan is 20-30 years old, depending as you said on the horse's health.  Thoroughbreds are considered  hot-blooded  horses, known for their agility, speed and spirit. The Thoroughbred as it is known today was developed in 17th-and 18th-century England, when native mares were crossbred with imported Oriental stallions of Arabian, Barb, and Turkoman breeding. Prices of Thoroughbreds vary greatly, depending on age, pedigree, conformation, and other market factors. In 2007, Keeneland Sales, a United States-based sales company, sold 9,124 horses at auction, with a total value of $814,401,000, which gives an average price of $89,259. Fox hunters and polo players also tend to favor thoroughbreds. Body Size: An average thoroughbred horse will reach a height of about 60 to 70 inches, or roughly 15 to 17 hands high (hh), a hand being a unit of equine measurement equivalent to approximately 4 inches. This breed is considered medium in size, and adult horses usually weigh 1,000 to 1,300 pounds. Appearance. Body Size: An average thoroughbred horse will reach a height of about 60 to 70 inches, or roughly 15 to 17 hands high (hh), a hand being a unit of equine measurement equivalent to approximately 4 inches.
http://www.answers.com/Q/How_long_is_the_lifespan_of_a_Thoroughbred http://horses.about.com/od/understandinghorses/qt/horseage.htm http://animals.howstuffworks.com/mammals/thoroughbred-horse2.htm http://horses.petbreeds.com/l/1/Thoroughbred https://answers.yahoo.com/question/index?qid=20070213105807AAJ3S9E http://www.horsebreedslist.com/horse-breeds/110/thoroughbred http://www.answers.com/Q/What_is_the_average_lifespan_of_a_horse https://en.wikipedia.org/wiki/Thoroughbred http://www.pluspets.com/horses/horse-breeds/thoroughbred-horses.aspx
average lifespan of a thoroughbred horse