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Circulatory System Of The Horse
The circulatory system of the horse consists of the heart, the blood vessels, and the blood. Anatomy Heart The equine heart is a muscular pump that circulates blood throughout the body. It is more glenoid in shape than the human heart and consists of four chambers: the left and right atria, and the left and right ventricles. The average adult horse has a heart, although it can be more than twice this size. The heart grows until the horse is 4 years of age, although it can increase slightly in size as a response to conditioning. Heart size does not necessarily correlate to the size of the horse. . Accessed July 2007. Circulatory capacity is partially determined by functional mass of the heart and spleen. Once the oxygen has entered the bloodstream it must be transported to working muscle and waste products removed. The equine cardiovascula ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Princequillo
Princequillo (1940–1964) was a Thoroughbred racehorse conceived in France and born in Ireland. He is known for his performances in long-distance races and his successes as a sire. Background His sire, Prince Rose, stood at the Haras de Cheffreville stud farm in France and was mated to the mare Cosquilla. When World War II broke out, the pregnant mare was shipped to Ireland, where she gave birth to Princequillo. Considering the danger from German bombing and the likelihood there would be no racing for some considerable time, Cosquilla's owners shipped her and her colt to the United States. Racing career In July 1942, Princequillo made his American racing debut. After a few races, he was purchased by Boone Hall Stable, owned by Prince Dimitri Djordjadze of Georgia and his American-born wife, Audrey Emery. They placed him under the care of future Hall of Fame trainer Horatio Luro. Princequillo won several important races at longer distances. He broke the Saratoga Race Course r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Homozygous
Zygosity (the noun, zygote, is from the Greek "yoked," from "yoke") () is the degree to which both copies of a chromosome or gene have the same genetic sequence. In other words, it is the degree of similarity of the alleles in an organism. Most eukaryotes have two matching sets of chromosomes; that is, they are diploid. Diploid organisms have the same loci on each of their two sets of homologous chromosomes except that the sequences at these loci may differ between the two chromosomes in a matching pair and that a few chromosomes may be mismatched as part of a chromosomal sex-determination system. If both alleles of a diploid organism are the same, the organism is homozygous at that locus. If they are different, the organism is heterozygous at that locus. If one allele is missing, it is hemizygous, and, if both alleles are missing, it is nullizygous. The DNA sequence of a gene often varies from one individual to another. These gene variants are called alleles. While some gen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pocahontas (horse)
Pocahontas (1837–1870) was an English Thoroughbred racehorse and the dam of three sires who had a great influence on the breed. Although mares are not generally considered to be as influential as sires, ''Thoroughbred Heritage'' refers to Pocahontas as "one of the most influential Thoroughbreds of all time, male or female." Thoroughbred Heritage. Retrieved February 21, 2011. Background Bred at the Royal Stud at Hampton Court, Pocahontas was by Glencoe I, Glencoe, winner of the , |
Secretariat (horse)
Secretariat (March 30, 1970 – October 4, 1989), also known as Big Red, was a champion American thoroughbred horse racing, racehorse who is the ninth winner of the Triple Crown of Thoroughbred Racing (United States), American Triple Crown, setting and still holding the fastest time record in all three races. He is regarded as one of the greatest racehorses of all time. He became the first Triple Crown winner in 25 years and his record-breaking victory in the Belmont Stakes, which he won by 31 Horse length, lengths, is widely regarded as one of the greatest races in history. During his racing career, he won five Eclipse Awards, including American Horse of the Year, Horse of the Year honors at ages two and three. He was nominated to the National Museum of Racing and Hall of Fame in 1974. In the Blood-Horse magazine List of the Top 100 U.S. Racehorses of the 20th Century, List of the Top 100 U.S. Racehorses of the 20th Century, Secretariat is second only to Man o' War. At age two ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sham (horse)
Sham (April 9, 1970 – April 3, 1993) was an American thoroughbred race horse and leading three year-old in 1973, who was overshadowed by his more famous peer, Secretariat. Sham was dark bay, almost black in color. He raced in the green and yellow silks of his owners, Sigmund and Viola Sommer, with matching blinkers. His running style was that of a stalker, preferring to run behind the early leaders and gradually improving his position nearing the finish. Sham was a large horse at 16.2 hh. He also had a very large heart, about twice the size of the average horse's, as discovered during the necropsy following his death. Kentucky Derby preparation Sham and Linda's Chief, who were campaigning at Santa Anita Park, were considered the principal candidates from the West to contest 1972 Two Year Old champion and Horse of the Year Secretariat for the 1973 Kentucky Derby. On February 17, Sham earned his fourth consecutive win and first stakes win in the Santa Catalina Stakes at 1 mile ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phar Lap
Phar Lap (4 October 1926 – 5 April 1932) was a champion New Zealand–bred Thoroughbred racehorse who is widely regarded as New Zealand's greatest racehorse ever. Achieving incredible success during his distinguished career, his initial underdog status gave people hope during the early years of the Great Depression. He won the Melbourne Cup, two Cox Plates, the Australian Derby, and 19 other weight-for-age races. One of his greatest performances was winning the Agua Caliente Handicap in Mexico in track-record time in his final race. He won in a different country, after a bad start many lengths behind the leaders, with no training before the race, and he split his hoof during the race. After a sudden and mysterious illness, Phar Lap died in 1932 in Atherton, California. At the time, he was the third-highest stakes-winner in the world. His mounted hide is displayed at the Melbourne Museum, his skeleton at the Museum of New Zealand, and his heart at the National Museum of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eclipse (horse)
Eclipse (1 April 1764 – 26 February 1789) was an undefeated 18th-century British Thoroughbred racehorse who won 18 races, including 11 King's Plates. He raced before the introduction of the British Classic Races, at a time when four-mile heat racing was the norm. He was considered the greatest racehorse of his time and the expression, "Eclipse first, the rest nowhere" entered the English vernacular as an expression of dominance. After retiring from racing, he became a very successful sire, whose offspring included three Epsom Derby winners: Young Eclipse, Saltram and Serjeant. He was also a successful sire of sires, and his sire line has become dominant in the modern Thoroughbred worldwide through descendants such as Northern Dancer, Mr. Prospector and Sunday Silence. Breeding Eclipse was foaled during and named after the solar eclipse of 1764, at the Cranbourne Lodge stud of his breeder, Prince William Augustus, Duke of Cumberland. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Racehorses
Horse racing is an equestrian performance sport, typically involving two or more horses ridden by jockeys (or sometimes driven without riders) over a set distance for competition. It is one of the most ancient of all sports, as its basic premise – to identify which of two or more horses is the fastest over a set course or distance – has been mostly unchanged since at least classical antiquity. Horse races vary widely in format, and many countries have developed their own particular traditions around the sport. Variations include restricting races to particular breeds, running over obstacles, running over different distances, running on different track surfaces, and running in different gaits. In some races, horses are assigned different weights to carry to reflect differences in ability, a process known as handicapping. While horses are sometimes raced purely for sport, a major part of horse racing's interest and economic importance is in the gambling associated with i ... [...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] |
American Quarter Horse
The American Quarter Horse, or Quarter Horse, is an American breed of horse that excels at sprinting short distances. Its name is derived from its ability to outrun other horse breeds in races of a quarter mile or less; some have been clocked at speeds up to 44 mph (70.8 km/h). The development of the Quarter Horse traces to the 1600s. The American Quarter Horse is the most popular breed in the United States today, and the American Quarter Horse Association is the largest breed registry in the world, with almost three million living American Quarter Horses registered in 2014. The American Quarter Horse is well known both as a race horse and for its performance in rodeos, horse shows, and as a working ranch horse. The compact body of the American Quarter Horse is well suited for the intricate and quick maneuvers required in reining, cutting, working cow horse, barrel racing, calf roping, and other western riding events, especially those involving live cattle. The Americ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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