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In the horse breeding industry, the term "half-brother" or "half-sister" only describes horses which have the same dam, but different sires. [6] Horses with the same sire but different dams are simply said to be "by the same sire", and no sibling relationship is implied. [7] "Full" (or "own") siblings have both the same dam and the same sire.
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This process is known as a rotational birth, and while it is not a process unique to humans, humans are unique in that nearly all human babies undergo this process out of necessity. A primary hypothesis for why this process and others occur, causing human births to be drastically more difficult than other mammals is known as the obstetrical ...
A mare is an adult female horse or other equine. [1] In most cases, a mare is a female horse over the age of three, and a filly is a female horse three and younger. In Thoroughbred horse racing , a mare is defined as a female horse more than four years old.
A mare that is used for breeding. [8]: 75 broodmare sire See damsire. brothers-in-blood Horses either by the same sire and out of full sisters, or out of the same dam and sired by full brothers. [17]: 414 buck A behavior where the horse lowers its head and rapidly kicks its hind feet into the air.
A sperm fertilizing an egg in sexual reproduction is one stage of reproductive success. Reproductive success is an individual's production of offspring per breeding event or lifetime. [1] This is not limited by the number of offspring produced by one individual, but also the reproductive success of these offspring themselves.
The birth of three cloned mules in the United States on May 4, 2003, came just before that of the first horse. [10] The first successful attempt to produce a viable clone was made by the Italian laboratory LTR-CIZ, which gave birth to Prometea on May 28, 2003, a Haflinger foal carried to term by her mother, whose genetic copy she is. [9]
Foundation stock or foundation bloodstock refers to animals that are the progenitors, or foundation, of a breed or of a given bloodline within such. Many modern breeds can be traced to specific, named foundation animals, but a group of animals may be referred to collectively as foundation bloodstock when one distinct population (including both landrace breeds or a group of animals linked to a ...