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Equine Polysaccharide Storage Myopathy
Equine polysaccharide storage myopathy (EPSM, PSSM, EPSSM) is a hereditary glycogen storage disease of horses that causes exertional rhabdomyolysis. It is currently known to affect the following breeds American Quarter Horses, American Paint Horses, Warmbloods, Cobs, Dales Ponies, Thoroughbreds, Arabians, New Forest ponies, and a large number of Heavy horse breeds. While incurable, PSSM can be managed with appropriate diet and exercise. There are currently 2 subtypes, known as Type 1 PSSM and Type 2 PSSM. Pathophysiology of glycogen storage disorders and sub-typing of PSSM Glycogen is a molecular polymer of glucose (a polysaccharide) used to store energy, and is important for maintaining glucose homeostasis in the blood, as well as for providing energy for skeletal muscle and cardiac muscle contraction. Molecules of glucose are linked into linear chains by α-1,4-glycosidic bonds. Additionally, branches of glucose are formed off of the chain by α-1,6-glycosidic bonds. 2 molecules ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Glycogen Storage Disease
A glycogen storage disease (GSD, also glycogenosis and dextrinosis) is a metabolic disorder caused by an enzyme deficiency affecting glycogen synthesis, glycogen breakdown, or glucose breakdown, typically in muscles and/or liver cells. GSD has two classes of cause: genetic and acquired. Genetic GSD is caused by any inborn error of metabolism (genetically defective enzymes) involved in these processes. In livestock, acquired GSD is caused by intoxication with the alkaloid castanospermine. Types Remarks: * Some GSDs have different forms, e.g. infantile, juvenile, adult (late-onset). * Some GSDs have different subtypes, e.g. GSD1a / GSD1b, GSD9A1 / GSD9A2 / GSD9B / GSD9C / GSD9D. * GSD type 0: Although glycogen synthase deficiency does not result in storage of extra glycogen in the liver, it is often classified with the GSDs as type 0 because it is another defect of glycogen storage and can cause similar problems. * GSD type VIII (GSD 8): In the past it was considered a distin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Draft Horse
A draft horse (US), draught horse (UK) or dray horse (from the Old English ''dragan'' meaning "to draw or haul"; compare Dutch ''dragen'' and German ''tragen'' meaning "to carry" and Danish ''drage'' meaning "to draw" or "to fare"), less often called a carthorse, work horse or heavy horse, is a large horse bred to be a working animal doing hard tasks such as plowing and other farm labor. There are a number of breeds, with varying characteristics, but all share common traits of strength, patience, and a docile temperament which made them indispensable to generations of pre-industrial farmers. Draft horses and draft crossbreds are versatile breeds used today for a multitude of purposes, including farming, draft horse showing, logging, recreation, and other uses. They are also commonly used for crossbreeding, especially to light riding breeds such as the Thoroughbred, for the purpose of creating sport horses of warmblood type. While most draft horses are used for driving, they c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Show Horse
The National Show Horse originated as a part-Arabian cross between an American Saddlebred and an Arabian horse. It is now established as a separate breed, since the founding of a breed registry in August 1981.Dutson ''96 Horse Breeds of North America'' p. 189-190 Registered animals today may be the offspring of registered NSH parents or may be a combination between an American Saddlebred, Arabian, and a National Show Horse. Non-NSH mares and stallions must be registered with their appropriate registries, and stallions who are Arabian or Saddlebred must additionally be nominated and approved by the NSHR board of directors. Although any combination of these three breeds may be used, as of December 1, 2009 there must be at least 50% Arabian blood in the horse to be registered, up to 99% Arabian blood (formerly 25% minimum Arabian blood was required for registry).NSHR Press Release Is Your Horse Now Eligible for NSH Registration?' Breed characteristics The National Show Horse combi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Thoroughbred
The Thoroughbred is a horse breed best known for its use in horse racing. Although the word ''thoroughbred'' is sometimes used to refer to any breed of purebred horse, it technically refers only to the Thoroughbred breed. Thoroughbreds are considered " hot-blooded" horses that are 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. All modern Thoroughbreds can trace their pedigrees to three stallions originally imported into England in the 17th and 18th centuries, and to a larger number of foundation mares of mostly English breeding. During the 18th and 19th centuries, the Thoroughbred breed spread throughout the world; they were imported into North America starting in 1730 and into Australia, Europe, Japan and South America during the 19th century. Millions of Thoroughbreds exist today, a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tennessee Walking Horse
The Tennessee Walking Horse or Tennessee Walker is a breed of gaited horse known for its unique four-beat running-walk and flashy movement. It was originally developed as a riding horse on farms and plantations in the American South. It is a popular riding horse due to its calm disposition, smooth gaits and sure-footedness. The Tennessee Walking Horse is often seen in the show ring, but is also popular as a pleasure and trail riding horse using both English and Western equipment. Tennessee Walkers are also seen in movies, television, and other entertainment. The breed was developed beginning in the late 18th century when Narragansett Pacers and Canadian Pacers from the eastern United States were crossed with gaited Spanish Mustangs from Texas. Other breeds were later added, and in 1886 a foal named Black Allan was born. He is now considered the foundation sire of the breed. In 1935 the Tennessee Walking Horse Breeders' Association was formed, and it closed the studbook in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Standardbred
The Standardbred is an American horse breed best known for its ability in harness racing, where members of the breed compete at either a trot or pace. Developed in North America, the Standardbred is recognized worldwide, and the breed can trace its bloodlines to 18th-century England. They are solid, well-built horses with good dispositions. In addition to harness racing, the Standardbred is used for a variety of equestrian activities, including horse shows and pleasure riding, particularly in the Midwestern and Eastern United States and in Southern Ontario. History In the 17th century, the first trotting races were held in the Americas, usually in fields on horses under saddle. However, by the mid-18th century, trotting races were held on official courses, with the horses in harness. Breeds that have contributed foundation stock to the Standardbred breed included the Narragansett Pacer, Canadian Pacer, Thoroughbred, Norfolk Trotter, Hackney, and Morgan. The foundation blo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rocky Mountain Horse
The Rocky Mountain Horse is a horse breed developed in the state of Kentucky in the United States. Despite its name, it originated not in the Rocky Mountains, but instead in the Appalachian Mountains. A foundation stallion, brought from the western United States to eastern Kentucky around 1890, began the Rocky Mountain type in the late 19th century. In the mid-20th century, a stallion named Old Tobe, owned by a prominent breeder, was used to develop the modern type; today most Rocky Mountain Horses trace back to this stallion. In 1986, the Rocky Mountain Horse Association was formed and by 2005 has registered over 12,000 horses. The breed is known for its preferred "chocolate" coat color and flaxen mane and tail, the result of the relatively rare silver dapple gene acting on a black coat, seen in much of the population. It also exhibits a four-beat ambling gait known as the "single-foot". Originally developed as a multi-purpose riding, driving and light draft horse, today it ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Peruvian Paso
The Peruvian Horse is a breed of light saddle horse known for its smooth ride. It is distinguished by a natural, four-beat, lateral gait called the ''paso llano.'' This breed is protected by the Peruvian government through Decree number 25919 of Peru enacted on November 28, 1992, and has been declared a Cultural Heritage of the Nation by the National Institute of Culture (INC). Due to the isolation suffered for about 400 years and the selection made by their breeders, this breed is very particular in their body proportions and an ambling gait or "paso llano" that is characteristic. It is typical of the northern Peruvian regions of the country from which it originated. Trujillo city is considered the cradle of typical Peruvian Horses. History Smooth-gaited horses, generally known as Palfreys, existed in the Middle Ages, and the Jennet in particular was noted for its ambling gaits. Peruvians trace their ancestry to these ambling Jennets; as well as to the Barb, which contribute ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mustang
The mustang is a free-roaming horse of the Western United States, descended from horses brought to the Americas by the Spanish. Mustangs are often referred to as wild horses, but because they are descended from once-domesticated animals, they are actually feral horses. The original mustangs were Colonial Spanish horses, but many other breeds and types of horses contributed to the modern mustang, now resulting in varying phenotypes. Some free-roaming horses are relatively unchanged from the original Spanish stock, most strongly represented in the most isolated populations. In 1971, the United States Congress recognized that "wild free-roaming horses and burros are living symbols of the historic and pioneer spirit of the West, which continue to contribute to the diversity of life forms within the Nation and enrich the lives of the American people". The free-roaming horse population is managed and protected by the U.S. Bureau of Land Management (BLM). Controversy surrounds the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Morgan Horse
The Morgan horse is one of the earliest horse breeds developed in the United States. Tracing back to the foundation sire Figure, later named Justin Morgan after his best-known owner, Morgans served many roles in 19th-century American history, being used as coach horses and for harness racing, as general riding animals, and as cavalry horses during the American Civil War on both sides of the conflict. Morgans have influenced other major American breeds, including the American Quarter Horse, Tennessee Walking Horse and the Standardbred. During the 19th and 20th centuries, they were exported to other countries, including England, where a Morgan stallion influenced the breeding of the Hackney horse. In 1907, the US Department of Agriculture established the US Morgan Horse Farm near Middlebury, Vermont for the purpose of perpetuating and improving the Morgan breed; the farm was later transferred to the University of Vermont. The first breed registry was established in 1909, and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lipizzaner
The Lipizzan or Lipizzaner ( hr, Lipicanac, cz, Lipicán, hu, Lipicai, it, Lipizzano, sr, Lipicaner, sl, Lipicanec), is a European breed of riding horse developed in the Habsburg Empire in the sixteenth century. It is of Baroque type, and is powerful, slow to mature and long-lived; the coat is usually gray. The name of the breed derives from that of the village of Lipica ( it, Lipizza), now in Slovenia, one of the earliest stud farms established, then part of Austria-Hungary; the stud farm there is still active. The breed has been endangered numerous times by warfare sweeping Europe, including during the War of the First Coalition, World War I, and World War II. The rescue of the Lipizzans during World War II by American troops was made famous by the Disney movie ''Miracle of the White Stallions''. The Lipizzaner is closely associated with the Spanish Riding School of Vienna, Austria, where the horses demonstrate the '' haute école'' or "high school" movements of classic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arabian (horse)
The Arabian or Arab horse ( ar, الحصان العربي , DIN 31635, DMG ''ḥiṣān ʿarabī'') is a horse breed, breed of horse that originated on the Arabian Peninsula. With a distinctive head shape and high tail carriage, the Arabian is one of the most easily recognizable horse breeds in the world. It is also one of the oldest breeds, with archaeological evidence of horses in the Middle East that resemble modern Arabians dating back 4,500 years. Throughout history, Arabian horses have spread around the world by both war and trade, used to improve other breeds by adding speed, refinement, endurance, and strong bone. Today, Arabian bloodlines are found in almost every modern breed of riding horse. The Arabian developed in a desert climate and was prized by the nomadic Bedouin people, often being brought inside the family tent for shelter and protection from theft. Selective breeding for traits, including an ability to form a cooperative relationship with humans, create ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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