[2] In 2012, Toystory produced a world record-breaking 2 millionth unit of semen at eleven years of age, and was the first Holstein bull in history to achieve this mark.
Toystory was bred by the Wisconsin-based Cooperative Resources International, and was born on May 7, 2001, in Mystic Valley Dairy near Sauk City, Wisconsin.
On June 10, 2009, at just eight years of age Toystory became the youngest Holstein bull ever to produce a million units of semen.
The semen was sold around the world, including in the Americas, Europe, Japan, China, Russia, and Pakistan.
In May 2011 he became the most productive Holstein ever, surpassing the world record by producing his 1.7 millionth unit of semen at just 10 years of age.