This is what our lucky store and finishing cattle are eating at the moment a mixture of cabbages, onions, potatoes, carrots, parsnips and beetroot, they go absolutley crazy for the stuff when it's tipped up. They can only have it in limited quantitys though as the carrots make them $hit like hell due to the amount of water in them, cabbages give them terrible wind, onions taint the meat (as it does milk ) and beetroot and carrots turn the meat orange :o and no I'm not joking :D
Brings a whole new meaning to meat and 2 veg, you'll just need meat when you eat this beef :D :D