Holstein-Friesian cows in meadow by a stream at Swinbrook in The Cotswolds, Oxfordshire

Curious Holstein cows looking at the camera while standing in a fenced area with identification tags in their ears on a robotic dairy farm, North of Edmonton, Alberta, Canada

Holstein cow with her newborn calf in a pen on a robotic dairy farm, North of Edmonton, Alberta, Canada

Curious Holstein cows looking at the camera while standing in a fenced area with identification tags in their ears on a robotic dairy farm, North of Edmonton, Alberta, Canada

Two Holstein cows standing at a barb wire fence looking curiously at the camera with identification tags in their ears at a robotic dairy farm, North of Edmonton, Alberta, Canada

Newgrange, County Meath, Ireland, Holstein-Friesian Cattle

Close-up of the head of a Holstein cow standing at a barb wire fence making a funny face, with identification tags in it's ears on a robotic dairy farm, North of Edmonton, Alberta, Canada

Close-up of Holstein cow teats and milking cups using lasers for automated milking equipment on a robotic dairy farm, North of Edmonton, Alberta, Canada

Holstein cow looking out of a milking stall waiting to be milked using automated milking equipment on a robotic dairy farm, North of Edmonton, Alberta, Canada

Close-up of Holstein cow teats and milking cups using lasers for automated milking equipment on a robotic dairy farm, North of Edmonton, Alberta, Canada

Holstein cow looking out of a milking stall waiting to be milked using automated milking equipment on a robotic dairy farm, North of Edmonton, Alberta, Canada