cows eat mainly grass and graze 4 to 9 hours a day

agricultural agriculture also ammonia animal animals beef belonging black building calf cattle close country countryside cows dairy diet each everything excellent farm farmer farming farmland feed fodder food friendships grass graze group groups half herbivores herd hierarchy horn hour hours house industry like live livestock mainly mammal mammals meat memory milk milked other pack pasture raising ranch ruminants rural several shed sleep social straw summer that there these they times toxic twice with within young