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The number of puppies also varies with the mother's age. In smaller breeds, both young and old age are associated with smaller litter size. In larger breeds, only old age is associated with smaller litter size. [25] Use of artificial insemination is also associated with smaller litter size, with frozen semen having a stronger effect than fresh ...
In September 2009, BioArts announced the end of its dog cloning service. [26] In July 2008, the Seoul National University (co-parents of Snuppy, reputedly the world's first cloned dog in 2005) created five clones of a dog named Booger for its Californian owner. The woman paid $50,000 for this service.
The first recorded case of artificial insemination was John Hunter in 1790, who helped impregnate a linen draper's wife. [1] [2] The first reported case of artificial insemination by donor occurred in 1884: William H. Pancoast, a professor in Philadelphia, took sperm from his "best looking" student to inseminate an anesthetized woman without her knowledge.
Artificial reproduction is the re-creation of life brought about by means other than natural ones. It is new life built by human plans and projects. Examples include artificial selection, artificial insemination, in vitro fertilization, artificial womb, artificial cloning, and kinematic replication.
Do people need at-home insemination kits? Doctors say it ultimately depends on why you want to use an insemination kit. "There can be some misunderstanding about what you're accomplishing by doing ...
Artificial insemination is the introduction of sperm into the reproductive tract of a female by means other than sexual intercourse for the purpose of impregnating the female. [12] In humans, artificial insemination may be used when a woman or her normal sex partner cannot, for any of a number of reasons, conceive by natural means.
A person who intentionally mates dogs to produce puppies is referred to as a dog breeder. Line breeding is the planned breeding of dogs with their relatives. This is done to strengthen the appearance of specific desired traits in offspring.
Sperm-friendly lubricants are commonly used for all forms of artificial insemination. If a pregnancy is being attempted by sexual intercourse where the partners are attempting to achieve a pregnancy, or by natural insemination (NI) with a sperm donor, a sperm-friendly lubricant should always be used rather than a normal sexual lubricant. Normal ...