So they can exercise--no joke--and practice the natural activity of grazing.
even though i had noticed .. each individual has ther own unique hairstyle .. i still dont trust them .. they'ed eat us given half the chance
Because they require hundreds of pounds of food per day and since they eat grasses fields are the best place to raise large numbers. Its also easy to keep an eye on them in a tree-free environment.
Why are the cows in a field? well you don't want them in your house do you?
sariously though why are cows in field ??