Sustainability: The small dairy’s place

Dairy industry sustainability constantly transforms as it reworks its boundaries. Most discussion on the subject focuses on large operations, often asking them to carry the sustainability torch. But not every farm can afford a large-scale biodigester to produce biogas or fertiliser. “Not so fast,” says Michel Wattiaux, Professor of Dairy Systems Management at the University of Wisconsin-Madison. “Biodigestion in the US has been cast as something the small, individual farmer can’t affo