Does 100% Grass fed - means pasturing all year? What about winter months when there is nothing outside for the cows to eat?

Farmers will feed grass fed cows hay during winter months. Their dietary intake may also include a mix of other foods, which you can learn about from the following articles online. http://ift.tt/1p2uYVS. ...

from The World's Healthiest Foods http://ift.tt/1rJ0yX2