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ABS Global, formerly the American Breeders Service, is an artificial insemination company that sells frozen bovine semen. It headquarters are in DeForest, Wisconsin . American Breeders Service was founded in 1941 by John Rockefeller Prentice .
Osborndale Ivanhoe (1952–1970), Holstein bull owned by Frances Osborne Kellogg and mated 100,187 times and whose semen was shipped all over the world. [40] Toystory (2001–2014), Holstein bull whose semen has sold more than 2.4 million units worldwide and has been estimated to have sired over 500,000 offspring [41]
The business has its origins in the former Breeding & Production Division of the Milk Marketing Board which was established in 1933 and broken up in 1994. [3] In 1999 Genus acquired ABS Global, a company founded by J.R. Prentice in the US as the American Breeders Service in 1941 selling the semen of cattle. [4]
In most cases of Dairy Bulls the bull has a halter or rope inserted into his nose ring. This is so he can be led and his handler can be a safe distance away, yet have some control over the animal. In the collection area there usually is a stall or stanchion where a mount animal is tied in. A mount animal can be a steer, a cow, or even another bull.
Breed Country of origin Average milk output per day [Note 1] Other Volume () Volume () Milk solids () Butterfat () Butterfat (kg) Protein (% w/v) Protein (kg) Abondance
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The Dutch Belted or Dutch Belt is an American breed of dairy cattle. It derives from the Lakenvelder of Germany and the Netherlands, of which examples were imported to the United States from 1838. [4]: 171 [5]: 96 [6] It became an important dairy breed in the early twentieth century, but could not compete with the Holstein-Friesian.
A bull calf with high genetic potential may be reared for breeding purposes. It may be kept by a dairy farm as a herd bull, to provide natural breeding for the herd of cows. A bull may service up to 50 or 60 cows during a breeding season. Any more and the sperm count declines, leading to cows "returning to service" (needing to be bred again). A ...