Farm’s state-of-the-art barn caters to cows 
In the barn at Great Brook Dairy Farm, farmer Mark Duffy and his wife use the robotic DeLaval Voluntary Milking System.
(EVAN MCGLINN FOR THE BOSTON GLOBE)

Farm’s state-of-the-art barn caters to cows

In the barn at Great Brook Dairy Farm, farmer Mark Duffy and his wife use the robotic DeLaval Voluntary Milking System.

(EVAN MCGLINN FOR THE BOSTON GLOBE)