Depending on breed, management and environment, the domestic horse today has a life expectancy of 25 to 30 years. It is uncommon, but a few horses live into their 40s, and, occasionally, beyond. The oldest verifiable record was "Old Billy," a horse that lived in the 19th century to the age of 62. The size of horses varies by breed, but can also be influenced by nutrition. The general rule for cutoff in height between what is considered a horse and a pony at maturity is 14.2 hands(h or hh) (147 cm, 58 inches) as measured at the withers. An animal 14.2h or over is usually considered a horse and one less than 14.2h is a pony.
However, there are exceptions to the general rule. Some smaller horse breeds who typically produce individual horses both under and over 14.2h are considered "horses" regardless of height. Likewise, some pony breeds, such as the Pony of the Americas or the Welsh cob, share some features of horses and individual animals may occasionally mature at over 14.2h, but are still considered ponies. The difference between a horse and pony is not simply a height difference, but also a difference in phenotype or appearance. There are noticeable differences in conformation and temperament. Ponies often exhibit thicker manes, tails and overall coat. They also have proportionally shorter legs, wider barrels, heavy bone, thick necks, and short heads with broad foreheads.
Light horses such as Arabians, Morgans, Quarter Horses, Paints and Thoroughbreds usually range in height from 14.0 (142 cm) to 16.0 hands (163 cm) and can weigh from 386 kg (850 lbs) to about 680 kg (1500 lbs). Heavy or draft horses such as the Clydesdale, Belgian, Percheron, and Shire are usually at least 16.0 (163 cm) to 18.0 hands (183 cm) high and can weigh from about 682 kg (1500 lb) up to about 900 kg (2000 lb). Ponies are less than 14.2h, but can be much smaller, down to the Shetland pony at around 10 hands, and the Falabella which can be the size of a medium-sized dog. The miniature horse is as small as or smaller than either of the aforementioned ponies but are classified as very small horses rather than ponies despite their size. The largest horse in history was a Shire horse named Sampson, later renamed Mammoth, foaled in 1846 in Bedfordshire, England. He stood 21.2½ hands high (i.e. 7 ft 2½ in or 2.20 m ), and his peak weight was estimated at over 3,300 lb (approx 1.5 tonnes). The current record holder for the world's smallest horse is Thumbelina, a fully mature miniature horse affected by dwarfism. She is 17 inches tall and weighs 60 pounds.
Keith Londrie II is the Webmaster of http://horse.about-animals.info A website that specializes in providing information on horses that you can research on the internet at your own pace.
Article Source: http://EzineArticles.com/?expert=Keith_Londrie
However, there are exceptions to the general rule. Some smaller horse breeds who typically produce individual horses both under and over 14.2h are considered "horses" regardless of height. Likewise, some pony breeds, such as the Pony of the Americas or the Welsh cob, share some features of horses and individual animals may occasionally mature at over 14.2h, but are still considered ponies. The difference between a horse and pony is not simply a height difference, but also a difference in phenotype or appearance. There are noticeable differences in conformation and temperament. Ponies often exhibit thicker manes, tails and overall coat. They also have proportionally shorter legs, wider barrels, heavy bone, thick necks, and short heads with broad foreheads.
Light horses such as Arabians, Morgans, Quarter Horses, Paints and Thoroughbreds usually range in height from 14.0 (142 cm) to 16.0 hands (163 cm) and can weigh from 386 kg (850 lbs) to about 680 kg (1500 lbs). Heavy or draft horses such as the Clydesdale, Belgian, Percheron, and Shire are usually at least 16.0 (163 cm) to 18.0 hands (183 cm) high and can weigh from about 682 kg (1500 lb) up to about 900 kg (2000 lb). Ponies are less than 14.2h, but can be much smaller, down to the Shetland pony at around 10 hands, and the Falabella which can be the size of a medium-sized dog. The miniature horse is as small as or smaller than either of the aforementioned ponies but are classified as very small horses rather than ponies despite their size. The largest horse in history was a Shire horse named Sampson, later renamed Mammoth, foaled in 1846 in Bedfordshire, England. He stood 21.2½ hands high (i.e. 7 ft 2½ in or 2.20 m ), and his peak weight was estimated at over 3,300 lb (approx 1.5 tonnes). The current record holder for the world's smallest horse is Thumbelina, a fully mature miniature horse affected by dwarfism. She is 17 inches tall and weighs 60 pounds.
Keith Londrie II is the Webmaster of http://horse.about-animals.info A website that specializes in providing information on horses that you can research on the internet at your own pace.
Article Source: http://EzineArticles.com/?expert=Keith_Londrie
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