Cows can sleep standing up, but they can only dream lying down.
745
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
A cow produces around 200,000 glasses of milk in her lifetime.
373
A dairy cow can produce more milk when listening to music.
446
The most expensive cow in the world was sold $1.3 million.
160
In 1984, a Canadian farmer began renting ad space on his cows.
188
The most expensive cow in the world was sold in 2009 for $1.2 million.
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