It all started with an observation. Joe Dorgan, a dairy farmer living on Canada’s Prince Edward Island, noticed that the cows he let graze near the ocean produced more milk than those he kept in land-locked pastures. He thought that…

It all started with an observation. Joe Dorgan, a dairy farmer living on Canada’s Prince Edward Island, noticed that the cows he let graze near the ocean produced more milk than those he kept in land-locked pastures. He thought that…