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Horse breeding is reproduction in horses, and particularly the human-directed process of selective breeding of animals, particularly purebred horses of a given breed. Planned matings can be used to produce specifically desired characteristics in domesticated horses. Furthermore, modern breeding management and technologies can increase the rate ...
The mule is a domestic equine hybrid between a donkey and a horse.It is the offspring of a male donkey (a jack) and a female horse (a mare). [1] [2] The horse and the donkey are different species, with different numbers of chromosomes; of the two possible first-generation hybrids between them, the mule is easier to obtain and more common than the hinny, which is the offspring of a male horse ...
Horses mate in spring and summer; autumn is a transition time, and anestrus occurs during winter. A feature of the fertility cycle of horses and other large herd animals is that it is usually affected by the seasons. The number of hours daily that light enters the eye of the animal affects the brain, which governs the release of certain ...
A few horse owners delay gelding a horse on the grounds that the testosterone gained from being allowed to reach sexual maturity will make him larger. However, recent studies have shown that this is not so: any apparent muscle mass gained solely from the presence of hormones will be lost over time after the horse is gelded, and in the meantime ...
According to Éric Palmer, a French biologist specializing in horse reproduction (who introduced ultrasound to mares and produced the first foal by in vitro fertilization), [5] the way for the use of cloning was initiated in the 1980s by veterinarian surgeon Dr. Leo de Backer. He was in contact with some of the world's leading sports stables.
And 19 years after that, in 2001, Ian Thorpe was 4.24 seconds faster than Gaines had been. By 2009, in the supersuit’s last hurrah, the men’s 200 free world record dropped 10.78 seconds lower ...
The International Federation for Equestrian Sports, the world governing body for horse sport, uses metric measurements and defines a pony as being any horse measuring less than 148 centimetres (58.27 in) at the withers without shoes, which is just over 14.2 hands (58 inches, 147 cm), and 149 centimetres (58.66 in; 14. 2 + 1 ⁄ 2 hands), with ...
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