Speaking of dairy farms with muddy lots and no grass in sight, they feed TMR (total mixed ration). It's a mixture of ground hay (dried grass!), corn silage (cho

Speaking of dairy farms with muddy lots and no grass in sight, they feed TMR (total mixed ration). It's a mixture of ground hay (dried grass!), corn silage (chopped fermented grass!), grain, and trace minerals and vitamins, adjusted on a regular basis by a nutritionist.