Show improve dairy ration with proper minerals natural feeds should apply enough of most minerals needed by dairy cows however mineral elements might be deficient in some farm rations in which case dairy cattle may require supplements of balc calc calcium um and phosphorus in addition to the regular farm grown hay and grains grain s timothy is sadly lacking in calcium alfalfa and clover conta containing inin 9 three to four times as much of this mineral it must also be remembered that some excellent legume hays may be deficient in phosphorus if grown on soils that lack it and on which phosphorus fertilizers are not used when little or no grains are fed dairy cows may benefit from phosphorus supplements usually the grains will furnish all the phosphorus needed by live stock |