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CIDRs are approved for use in both beef cattle and dairy heifers in Canada and the United States. [2] CIDRs contain 1.9g of progesterone in Canada and 1.38g in the United States. [2] The CIDR-S is licensed for use in sheep and goats in New Zealand and Australia. [1] The CIDR-G is also suitable for use in ewes, lambs and goats. [4]
Many of the bulls will be used in the owners' herds during beef breeding season. However, they have the genetic merit to be used in many others as well. A beef bull may only be able to service 20 to 30 head via natural service during the breeding season. He will be able to service many more during the breeding season via artificial insemination.
Hanoverhill Starbuck was a Canadian Holstein breeding bull.Calved in 1979, Starbuck was sired by RORA Elevation and purchased from Hanover Hills Holsteins by the Artificial Insemination Centre of Quebec (Centre d'insémination artificielle du Québec, CIAQ).
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This procedure is used frequently with large mammals, particularly bulls and some domestic animals, as well as humans who have certain types of anejaculation. Electroejaculation has also been used for the cryoconservation of animal genetic resources , where semen is stored in low temperatures with the intent of conserving genetic material and ...
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.
These substances are still approved for use in the US and many other countries, including Australia, Canada and New Zealand. The coil is licensed to use with fixed time artificial insemination; Controlled Internal Drug Release (CIDR). For use in cattle and buffalo. This is a T-shaped silicone elastomer device impregnated in progesterone (1.38g).
For the last five decades starting in the late 1960s, the main thrust of BAIF activities has been animal husbandry. This has principally involved artificial insemination (AI) of indigenous Indian cattle breeds with semen from bulls of high milk yielding European cattle breeds such as Jersey and Holstein Friesian. [18]