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A breeding mount with built-in artificial vagina used to collect semen from horses for use in artificial insemination. Semen collection refers to the process of obtaining semen from human males or other animals with the use of various methods, for the purposes of artificial insemination, or medical study (usually in fertility clinics).
Using frozen semen for dairy cattle has been done since the 1950s. The oldest semen believed to be in existence was from a sire named Cottonade Emmet, who was a member of the American Breeders Service sire battery in 1952. Semen was collected on Emmet in November 1952 and has been used several times to produce offspring. However, the last time ...
Electroejaculation is a procedure used to obtain semen samples from sexually mature male mammals.The procedure is used for breeding programs and research purposes in various species, as well as in the treatment of ejaculatory dysfunction in human males.
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Embryo collection is more demanding and requires more training than semen collection because the female reproductive organs are located inside of the body cavity. Superovulation is a technique used in order to have a female release more oocytes than normal. This can be achieved by using hormones to manipulate the female's reproductive organs.
The most common cryoprotectant used for semen is glycerol (10% in culture medium). Often sucrose or other di-, trisaccharides are added to glycerol solution. Cryoprotectant media may be supplemented with either egg yolk or soy lecithin, with the two having no statistically significant differences compared to each other regarding motility, morphology, ability to bind to hyaluronate in vitro, or ...
An urgent hunt is underway for a Wisconsin teen feared to have been abducted by the 40-year-old man who got her pregnant when she snuck away to his home more than 700 miles away in Arkansas.
Herb Baumeister’s macabre double life began to unravel in 1994 when his 13-year-old son found a human skull and a pile of bones in the woods of Fox Hollow Farm, his $1 million estate in ...