This invention provides a feedstock for improving the lactational performance of dairy cows. An essential feature of the feedstock is a dietary cation-anion difference (DCAD) with a value between about 20-60 meq/100 g dietary DM. Other essential features of the feedstock are an atomic ratio of potassium:sodium...http://www.google.es/patents/US6485765?utm_source=gb-gplus-sharePatente US6485765 - Lactational performance of dairy cattle
