Show gray summit S mo five years ago purina research men began a series of tests to learn how a cow should be conditioned during the dry period for easier calving in working on this problem related discoveries of even greater importance were made it was found that cows conditioned for easier calving through experimental management and feeding methods increased indrea sed their milk flow from 10 to 25 pereen percent t the following lactation period the result js is dry cow program recommended by all purina feed merchants |