Cattle That Spend More Time Near Humans Have Small Brains

Cattle That Spend More Time Near Humans Have Small Brains
(AP Photo/John Raoux)

The average brain size of cattle has shrunk as we have domesticated them, and their brains seem to get smaller the more time they spend around humans.

In general, domesticated animals tend to have smaller brains than their wild counterparts. This phenomenon had not been tested in cattle, as their wild ancestor has been extinct for several hundred years.

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