Clydesdale draught horse sabino, side view
|Distinguishing features||Draught horse breed, generally bay, with significant white markings and extensive feathering.|
|Country of origin||Scotland|
|Common nicknames||Clydes (USA)|
|Clydesdale Breeders of the USA||Breed standards|
|Clydesdale Horse Society||Breed standards|
|Equus ferus caballus|
The Clydesdale is a breed of draught horse derived from the farm horses of Clydesdale, Scotland, and named after that region. Although originally one of the smaller breeds of draught horses, it is now a tall breed. Often bay in color, they show significant white markings due to the presence of sabino genetics. The breed was originally used for agriculture and haulage, and is still used for draught purposes today. The Budweiser Clydesdales are some of the most famous Clydesdales, and other members of the breed are used as drum horses by the British Household Cavalry. They have also been used to create and improve other draught breeds.
The breed was developed from Flemish stallions imported to Scotland and crossed with local mares. The first recorded use of the name "Clydesdale" for the breed was in 1826, and by 1830 a system of hiring stallions had begun that resulted in the spread of Clydesdale horses throughout Scotland and into northern England. The first breed registry was formed in 1877. In the late 19th and early 20th centuries, thousands of Clydesdales were exported from Scotland and sent throughout the world, including to Australia and New Zealand, where they became known as "the breed that built Australia". However, during World War I population numbers began to decline due to increasing mechanization and war conscription. This decline continued, and by the 1970s, the Rare Breeds Survival Trust considered the breed vulnerable to extinction. Population numbers have increased slightly in the intervening time, but they are still thought to be vulnerable.
The conformation of the Clydesdale has changed greatly throughout its history. In the 1920s and 1930s, it was a compact horse smaller than the Shire, Percheron, and Belgian. Beginning in the 1940s, breeding animals were selected to produce taller horses that looked more impressive in parades and shows. Today, the Clydesdale stands 16 to 18 hands (64 to 72 inches, 163 to 183 cm) high and weighs 1,800 to 2,000 pounds (820 to 910 kg). Some mature males are larger, standing taller than 18 hands and weighing up to 2,200 pounds (1,000 kg). The breed has a straight or slightly convex facial profile, broad forehead and wide muzzle. It is well muscled and strong, with an arched neck, high withers, and a sloped shoulder. Breed associations pay close attention to the quality of the hooves and legs, as well as the general movement. Their gaits are active, with clearly lifted hooves and a general impression of power and quality. Clydesdales are energetic, with a manner described by the Clydesdale Horse Society as a "gaiety of carriage and outlook". Clydesdales have been identified to be at risk for chronic progressive lymphedema, a disease with clinical signs that include progressive swelling, hyperkeratosis, and fibrosis of distal limbs that is similar to chronic lymphedema in humans.
Clydesdales are usually bay or brown in colour, but roan, black, and sorrel also occur. Most have white markings, including white on the face, feet, legs and occasional body spotting (generally on the lower belly). They also have extensive feathering on their lower legs. Roaning, body spotting and extensive white markings are thought to be the result of sabino genetics. Some Clydesdale breeders want white face and leg markings without the spotting on the body. To attempt getting the ideal set of markings, they often breed horses with only one white leg to horses with four white legs and sabino roaning on their bodies. On average, the result is a foal with the desired amount of white markings. Clydesdales do not have the SB1 (Sabino 1) gene responsible for causing sabino expressions in many other breeds, and researchers theorise that several other genes are responsible for these patterns. Many buyers pay a premium for bay and black horses, especially those with four white legs and white facial markings. Specific colours are often preferred over other physical traits, and some buyers even choose horses with soundness problems if they have the desired colour and markings. Roan horses are not preferred by buyers, despite one draught-breed writer theorizing that they are needed to keep the desired coat colours and texture. Breed associations, however, state that no colours are bad, and that horses with roaning and body spots are increasingly accepted.
With the feathering on their legs, specific problems can occur. The Clydesdale’s feathering can trap moisture and cause fungal infections on the skin under the feathers. The infection is more commonly known as “Clyde Itch”. Treatment for the infection can vary, but it is shown that MTG (Mane-Tail-Groom) works wonders on the infection. The treatment is applied to the skin and heals the affected area.
Clydesdale horses are bred for their intelligence and strength, however the breed is also loved for their soft and gentle temperaments  Because of the Clydesdale's temperament, they easily adapt to change and therefore are easy to travel with (for example to horse shows or new barn facilities).
Clydesdale horses generally have excellent quality feet which is important for the shoeing necessary for travelling and driving carts
Clydesdale can often be seen crossed with other breeds to be used in other disciplines in the sport. They are commonly crossed with the thoroughbred horse to gain certain characteristics. The thoroughbred has a large girth allowing for great lung capacity to increase their stamina. When adding the thoroughbred to the Clydesdale, it increases their stamina and increases the horse's performance in other disciplines.
The Clydesdale takes its name from Clydesdale, the old name for Lanarkshire, noted for the River Clyde. In the mid-18th century, Flemish stallions were imported to Scotland and bred to local mares, resulting in foals that were larger than the existing local stock. These included a black unnamed stallion imported from England by a John Paterson of Lochlyloch and an unnamed dark-brown stallion owned by the Duke of Hamilton. Another prominent stallion was a 16.1 hands (65 inches, 165 cm) coach horse stallion of unknown lineage named Blaze. Written pedigrees were kept of these foals beginning in the early 19th century, and in 1806 a filly, later known as "Lampits mare" after the farm name of her owner, was born that traced her lineage to the black stallion. This mare is listed in the ancestry of almost every Clydesdale living today. One of her foals was Thompson's Black Horse (known as Glancer), who was to have a significant influence on the Clydesdale breed. The first recorded use of the name "Clydesdale" in reference to the breed was in 1826 at an exhibition in Glasgow. Another theory of their origin, that of them descending from Flemish horses brought to Scotland as early as the 15th century, was also promulgated in the late 18th century. However, even the author of that theory admitted that the common story of their ancestry is more likely.
A system of hiring stallions between districts existed in Scotland, with written records dating back to 1837. This program consisted of local agriculture improvement societies holding breed shows to choose the best stallion, whose owner was then awarded a monetary prize. The owner was then required, in return for additional monies, to take the stallion throughout a designated area, breeding to the local mares. Through this system and by purchase, Clydesdale stallions were sent throughout Scotland and into northern England.
Through extensive crossbreeding with local mares, these stallions spread the Clydesdale type throughout the areas where they were placed, and by 1840, Scottish draught horses and the Clydesdale were one and the same. In 1877, the Clydesdale Horse Society of Scotland was formed, followed in 1879 by the American Clydesdale Association (later renamed the Clydesdale Breeders of the USA), which served both U.S. and Canadian breed enthusiasts. The first American stud book was published in 1882. In 1883, the short-lived Select Clydesdale Horse Society was founded to compete with the Clydesdale Horse Society. It was started by two breeders dedicated to improving the breed, who also were responsible in large part for the introduction of Shire blood into the Clydesdale.
Large numbers of Clydesdales were exported from Scotland in the late 19th and early 20th centuries, with 1,617 stallions leaving the country in 1911 alone. Between 1884 and 1945, export certificates were issued for 20,183 horses. These horses were exported to other countries in the British Empire, as well as North and South America, continental Europe and Russia. World War I saw the conscription of thousands of horses for the war effort, and after the war breed numbers declined as farms became increasingly mechanised. This decline continued between the wars. Following World War II the number of Clydesdale breeding stallions in England dropped from more than 200 in 1946 to 80 in 1949. By 1975, the Rare Breeds Survival Trust considered them vulnerable to extinction, meaning there were fewer than 900 breeding females in the UK.
Many of the horses exported from Scotland in the 19th and 20th centuries went to Australia and New Zealand. In 1918, the Commonwealth Clydesdale Horse Society was formed as the association for the breed in Australia. Between 1906 and 1936, Clydesdales were bred so extensively in Australia that other draught breeds were almost unknown. By the late 1960s it was noted that "Excellent Clydesdale horses are bred in Victoria and New Zealand; but, at least in the former place, it is considered advisable to keep up the type by frequent importations from England." Over 25,000 Clydesdales were registered in Australia between 1924 and 2008. The popularity of the Clydesdale led to it being called "the breed that built Australia".
In the 1990s, the breed's popularity and numbers began to rise. By 2005, the Rare Breeds Survival Trust had moved the breed to "at risk" status, meaning there were fewer than 1,500 breeding females in the UK. However, by 2010 they had been moved back to vulnerable. The Clydesdale is considered to be at "watch" status by the American Livestock Breeds Conservancy, meaning that as of 2010 fewer than 2,500 horses are registered annually in the USA and fewer than 10,000 exist worldwide. As of 2010, there are estimated to be around 5,000 Clydesdales worldwide, with around 4,000 in the US and Canada, 800 in the UK and the rest in other countries, including Russia, Japan, Germany and South Africa.
The Clydesdale was originally used for agriculture, hauling coal in Lanarkshire and heavy hauling in Glasgow. Today, Clydesdales are still used for draught purposes, including agriculture, logging and driving. They are also shown and ridden, as well as kept for pleasure. Some of the most famous members of the breed are the teams that make up the hitches of the Budweiser Clydesdales. These horses were first owned by the Budweiser Brewery at the end of Prohibition in the United States, and have since become an international symbol of both the breed and the brand. The Budweiser breeding program, with its strict standards of colour and conformation, have influenced the look of the breed in the United States to the point that many people believe that Clydesdales are always bay with white markings. As well as being driven, some Clydesdales are used for riding and can be shown under saddle. Clydesdales and Shires are used by the British Household Cavalry as drum horses, leading parades on ceremonial and state occasions. The horses are eye-catching colours, including piebald, skewbald and roan. To be used for this purpose, a drum horse must stand a minimum of 17 hands (68 inches, 173 cm) high. They carry the Musical Ride Officer and two silver drums weighing 56 kilograms (123 lb) each.
In the late 19th century, Clydesdale blood was added to the Irish draught breed in an attempt to improve and reinvigorate that declining breed. However, these efforts were not seen as successful, as Irish Draught breeders thought the Clydesdale blood made their horses coarser and prone to lower leg defaults. The Clydesdale was instrumental in the creation of the Gypsy Vanner horse, developed in Great Britain. The Clydesdale, along with other draught breeds, was also used to create the Australian Draught Horse. In the early 20th century, they were often crossed with Dales ponies, creating mid-sized draught horses useful for pulling commercial wagons and military artillery.
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