Instruct: Given a question, retrieve relevant passages that can help answer the question.
Query: What is the life expectancy of horses?
Depending on breed, management and environment, the modern domestic horse has a life expectancy of 25 to 30 years. Uncommonly, a few animals live into their 40s and, occasionally, beyond. The oldest verifiable record was "Old Billy", a 19th-century horse that lived to the age of 62. In modern times, Sugar Puff, who had been listed in "Guinness World Records" as the world's oldest living pony, died in 2007 at age 56.
The cavalry, obsessed with the charge with cold steel, had "ceased to be in any useful sense mobile". They used heavy chargers as mounts rather than lighter horses. The heavy mounts required acclimatisation and recovery after long sea voyages, and needed plenty of forage when grazing was sparse. They were also overloaded with unnecessary or over-decorated equipment and saddlery. The average life expectancy of a British horse from the time of its arrival in South Africa was around six weeks.
The horse adapted to survive in areas of wide-open terrain with sparse vegetation, surviving in an ecosystem where other large grazing animals, especially ruminants, could not. Horses and other equids are odd-toed ungulates of the order Perissodactyla, a group of mammals that was dominant during the Tertiary period. In the past, this order contained 14 families, but only three—Equidae (the horse and related species), Tapiridae (the tapir), and Rhinocerotidae (the rhinoceroses)—have survived to the present day.
Horses require both shelter from natural elements like wind and precipitation, as well as room to exercise. Worldwide, horses and other equids usually live outside with access to shelter for protection from the elements. In some cases, animals are kept in a barn or stable for ease of access by managers, or for protection from the weather for various reasons. For horse owners who do not own their own land, fields and barns can be rented from a private land owner or space for an individual horse may be rented from a boarding farm. Horses that are not on full-time turnout in a field or pasture normally require some form of regular exercise, whether it is being ridden, longed or turned out for free time. However, if a horse is ill or injured it may need to be confined to a stable, usually in a box stall.
A horse has an average total of 18 thoracic vertebrae, with 5 located in the withers. Each thoracic vertebra is also associated with a rib. A horse also has, on average, six lumbar vertebrae. Some breeds, such as the Arabian, will sometimes, but not always, have five lumbar vertebrae and 17 thoracic vertebrae. There appears to be little correlation between back length and number of vertebrae, as many horses with short backs do have the typical number of vertebrae. The length of each vertebra in the lumbar region seems to have the greater influence on the strength of the horse's back.
In English-speaking countries, the height of horses is often stated in units of hands and inches: one hand is equal to . The height is expressed as the number of full hands, followed by a point, then the number of additional inches, and ending with the abbreviation "h" or "hh" (for "hands high"). Thus, a horse described as "15.2 h" is 15 hands plus 2 inches, for a total of in height.
The size of horses varies by breed, but also is influenced by nutrition. Light riding horses usually range in height from and can weigh from . Larger riding horses usually start at about and often are as tall as , weighing from . Heavy or draft horses are usually at least high and can be as tall as high. They can weigh from about .
Each wooden carousel horse that is attached to the operational carousel required several hours of restoration labor. Upon arrival to the museum, many of these artifacts dated close to 100 years old, and had an original life expectancy of around five years. Due to wood rot, many of the horses had to be completely re-carved by hand. The process of re-carving utilized the same primitive tools that would have been used in the original making. It is estimated that thousands of hours of labor were volunteered to complete the projects. To keep with historical building styles, each horse contains wooden dowels instead of nails (Reinhardt,2014).
Due to scarcity of water, the Namib Desert Horse sometimes goes without water for as long as thirty hours in summer and has been known to go close to 72 hours without water during the winter, significantly longer than most horses, even other feral herds. A 1991 study suggested that in 75 years of genetic isolation and water scarcity the population had developed physiological mechanisms which improved their ability to conserve water. In 1993, a second study showed that the physiological water-conservation ability did not differ between Namib Desert Horses and other populations when dehydrated for periods of up to 60 hours, but suggested that the Namib Desert Horse would show improved conservation ability when dehydration periods were extended to upwards of 72 hours, a common occurrence in their feral state.
Horses can be bathed by being wet down with a garden hose or by being sponged off with water from a bucket. Horses do not require bathing and many horses live their entire lives without a bath. However, horses are often hosed off with water after a heavy workout as part of the cooling down process, and are often given baths prior to a horse show to remove every possible speck of dirt. They must be trained to accept bathing, as a hose and running water are unfamiliar objects and initially may frighten a horse. A hose is usually used for bathing. Start near the legs, being careful to point the hose at a downward angle. When spraying the body, be sure to angle the hose so that water doesn't hit the horse in the face. Either horse or human shampoo may be safely used on a horse, if thoroughly rinsed out, and cream rinses or hair conditioners, similar to those used by humans, are often used on show horses. Too-frequent shampooing can strip the hair coat of natural oils and cause it to dry out. Though horses in heavy work, such as racehorses, may be rinsed off after their daily workout, it is generally not advisable to shampoo a horse more than once a week, even in the show season. A well-groomed, clean horse can be kept clean by wearing a horse blanket or horse sheet.
Although the average lifespan of a queen in most subspecies is three to five years, reports from the German-European black bee subspecies previously used for beekeeping indicate that a queen can live up to eight years. Because a queen's store of sperm is depleted near the end of her life, she begins laying more unfertilized eggs; for this reason, beekeepers often replace queens every year or two.
Tyrolean Hounds have an average life expectancy of about 12 to 14 years overall. These dogs are robust and generally healthy. They need to keep an active lifestyle and have high exercise requirements, though not hyperactive. As puppies, they should be given high-quality dry food until about 12 months when they can be transferred over to adult dry food. They can also take either active or working dog formulas, respectively with their lifestyle. When they are adults it can be necessary to keep them engaged with mental stimulation. Without such exercises or obedience training, they may lose passion in their work or other nuisance behaviors may appear. Also, with the harsh double coat that the Tyrolean Hound bares, they may need to be brushed once or two times a week along with other various health duties such as; teeth brushing, coat grooming, and a weekly ear cleaning.
There are eight major recognized blood groups in horses. Seven of them, A, C, D, K, P, Q, and U, are internationally recognized, with an eighth, T, which is primarily used in research. Each blood group has at least two allelic factors (for example, the A blood group has a, b, c, d, e, f, and g), which can be combined in all combinations (Aa, Afg, Abedg, etc.), to make many different alleles. This means that horses can have around 400,000 allelic combinations, allowing blood testing to be used as an accurate method of identifying a horse or determining parentage. Unlike humans, horses do not naturally produce antibodies against red blood cell antigens that they do not possess; this only occurs if they are somehow exposed to a different blood type, such as through blood transfusion of transplacental hemorrhage during parturition.
Equus is a genus of mammals in the family Equidae, which includes horses, donkeys, and zebras. Within Equidae, "Equus" is the only recognized extant genus, comprising seven living species. The term equine refers to any member of this genus, including horses. Like Equidae more broadly, "Equus" has numerous extinct species known only from fossils. The genus most likely originated in North America and spread quickly to the Old World. Equines are odd-toed ungulates with slender legs, long heads, relatively long necks, manes (erect in most subspecies), and long tails. All species are herbivorous, and mostly grazers, with simpler digestive systems than ruminants, but able to subsist on lower-quality vegetation.
Equidae (sometimes known as the horse family) is the taxonomic family of horses and related animals, including the extant horses, donkeys, and zebras, and many other species known only from fossils. All extant species are in the genus "Equus". Equidae belongs to the order Perissodactyla, which includes the extant tapirs and rhinoceros, and several extinct families.
Since 1896, the Devon Horse Show is the oldest and largest outdoor multi-breed horse competition in the United States. The Annual Horse show and Country Fair promotes horsemanship and horse breeding for conformation, performance and speed. The original ideas and activities of the show have changed dramatically over the decades. The show attracts people from all over the world, as both competitors and spectators.
Currently, the world's tallest horse is a Belgian Draft horse named Big Jake, a gelding born in 2000. He stands tall.
Though bloody, this method would take the shortest amount of time to kill the animal out of all the hypotheses. Because of the differences of anatomy between species possibly hunted by machairodonts, the geometry needed to kill a horse, for instance, might not work for a bison. This would require the genus, or even the specific species, to be highly specialized for one type of prey animal. This might offer an explanation for their extinction, for the movement or extinction of that prey species would lead to the death of its specialist predator.
The Racking Horse World Celebration is the largest show for the Racking Horse breed. It is held annually in late September at the Celebration Arena in Priceville, Alabama, a few miles outside Decatur. The Celebration encompasses over a week of nightly shows, and includes approximately 170 classes. Over 1,000 horses compete there each year, and spectator attendance is roughly 70,000.
The World Celebration's counterpart is the Spring Celebration, held in April at the same location.
The Devon Horse Show, also known as The Devon Horse Show and Country Fair is an annual horse show which has been held late May through early June in Devon, Pennsylvania since 1896. It is the oldest and largest outdoor multi-breed horse show in the U.S. The event serves as a fundraiser for Bryn Mawr Hospital.
The gestation period of queens is between 64 and 67 days, with an average of 66 days.
Data on reproductive capacity of more than 2,300 free-ranging queens were collected during a study between May 1998 and October 2000. They had one to six kittens per litter, with an average of three kittens. They produced a mean of 1.4 litters per year, but a maximum of three litters in a year. Of 169 kittens, 127 died before they were six months old due to a trauma caused in most cases by dog attacks and road accidents.
The first litter is usually smaller than subsequent litters. Kittens are weaned between six and seven weeks of age. Queens normally reach sexual maturity at 5–10 months, and males at 5–7 months. This varies depending on breed.
The Haflinger, also known as the Avelignese, is a breed of horse developed in Austria and northern Italy (namely Hafling in South Tyrol region) during the late nineteenth century. Haflinger horses are relatively small, are always chestnut with flaxen mane and tail, have distinctive gaits described as energetic but smooth, and are well-muscled yet elegant. The breed traces its ancestry to the Middle Ages; there are several theories for its origin. Haflingers, developed for use in mountainous terrain, are known for their hardiness. Their current conformation and appearance are the result of infusions of bloodlines from Arabian and various European breeds into the original native Tyrolean ponies. The foundation sire, 249 Folie, was born in 1874; by 1904 the first breeders' cooperative was formed. All Haflingers can trace their lineage back to Folie through one of seven bloodlines. World Wars I and II, as well as the Great Depression, had a detrimental effect on the breed, and lower-quality animals were used at times to save the breed from extinction. During World War II, breeders focused on horses that were shorter and more draft-like, favored by the military for use as packhorses. The emphasis after the war shifted toward animals of increased refinement and height.
He explained the album title, saying: "If you listen to it, and look at some of the old cats who’ve used the title before, one of The Beatles [George Harrison] was actually called “the dark horse” before, because you didn’t know how much of his musical involvement had a hand in what Beatles material came out. The dark horse meaning, like, the least expected person to win the race, or the least expected person to win the Super Bowl. I look at the dark horse as the person that you don’t always expect to see coming out on top. I consider myself a dark horse in the industry."
Horses were required to pull the enormous weight of the cannon and ammunition; on average, each horse pulled about 700 pounds (317.5 kg). Each gun in a battery used two six-horse teams (for normal field artillery; heavier guns required much larger teams): one team pulled a limber that attached to the trail of the gun to form a four-wheeled wagon of sorts; the other pulled a limber that attached to a caisson. The large number of horses posed a logistical challenge for the artillery, because they had to be fed, maintained, and replaced when worn out or injured. Artillery horses were generally selected second from the pool of high quality animals; cavalry mounts were the best horses. The life expectancy of an artillery horse was under eight months. They suffered from disease, exhaustion from long marches—typically 16 miles (25.8 km) in 10 hours—and battle injuries.
This enzyme belongs to the family of oxidoreductases, specifically those acting on paired donors, with O2 as oxidant and incorporation or reduction of oxygen. The oxygen incorporated need not be derived from O2 with 2-oxoglutarate as one donor, and incorporation of one atom o oxygen into each donor. The systematic name of this enzyme class is N6,N6,N6-trimethyl-L-lysine,2-oxoglutarate:oxygen oxidoreductase (3-hydroxylating). Other names in common use include trimethyllysine alpha-ketoglutarate dioxygenase, TML-alpha-ketoglutarate dioxygenase, TML hydroxylase, 6-N,6-N,6-N-trimethyl-L-lysine,2-oxoglutarate:oxygen oxidoreductase, and (3-hydroxylating). This enzyme participates in lysine degradation and L-carnitine biosynthesis and requires the presence of iron and ascorbate.
Depending on maturity, breed, and work expected, horses are usually put under saddle and trained to be ridden between the ages of two and four. Although Thoroughbred race horses are put on the track as young as the age of two in some countries, horses specifically bred for sports such as dressage are generally not put under saddle until they are three or four years old, because their bones and muscles are not solidly developed. For endurance riding competition, horses are not deemed mature enough to compete until they are a full 60 calendar months (five years) old.