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Thoroughbred breeding theories, or racehorse theories, are used by horse breeders in an attempt to arrange matings that produce progeny successful in horse racing. Bloodstock experts also rely on these theories when purchasing young horses or breeding stock.
Horse behavior is best understood from the view that horses are prey animals with a well-developed fight-or-flight response. Their first reaction to a threat is often to flee, although sometimes they stand their ground and defend themselves or their offspring in cases where flight is untenable, such as when a foal would be threatened.
Examples include the Byerly Turk, Godolphin Arabian, and Darley Arabian for the Thoroughbred breed; and Justin Morgan, aka Figure for the Morgan breed. [1]: 83 four-in-hand A team of four horses with all their reins joined into one pair of reins, allowing one driver to control all of them. [1]: 83 Also six-in-hand etc. frog
Horses can be considered cursorial grazers. A cursorial organism is one that is adapted specifically to run.An animal can be considered cursorial if it has the ability to run fast (e.g. cheetah) or if it can keep a constant speed for a long distance (high endurance).
The Thoroughbred is a distinct breed of horse, although people sometimes refer to a purebred horse of any breed as a thoroughbred. The term for any horse or other animal derived from a single breed line is purebred.
Horse galloping The Horse in Motion, 24-camera rig with tripwires GIF animation of Plate 626 Gallop; thoroughbred bay mare Annie G. [1]. Animal Locomotion: An Electro-photographic Investigation of Consecutive Phases of Animal Movements is a series of scientific photographs by Eadweard Muybridge made in 1884 and 1885 at the University of Pennsylvania, to study motion in animals (including humans).
For example, all Jockey Club Thoroughbred registries require that a registered Thoroughbred be a product of a natural mating, so-called "live cover". A foal born of two Thoroughbred parents, but by means of artificial insemination or embryo transfer , cannot be registered in the Thoroughbred studbook. [ 8 ]
To construct an optimality model, the behavior must first be clearly defined. Then, descriptions of how the costs and benefits vary with the way the behavior is performed must be obtained. [1] Examples of benefits and costs include direct fitness measures like offspring produced, change in lifespan, time spent or gained, or energy spent and gained.