Show Feed to Maintain Cows of Different Weights I Extensive detailed experiments have been heen made to determine the the average averne amount of protein and other food nu nutriments nutriments nu- nu needed to maintain cows of different weights Also the different feeds have been tested to determine the average a amounts of digestible protein protein pro pro- tein and other nutriments This data has been arranged In table form and may Ilay be found In various books experiment ex ex- station bulletins etc but hut Is too ton extensive to reproduce here These experiments also show the amounts of J f Iod nutriments required to produce c different amounts of milk By fly taking tl lie tte data clata from these tables showing shown how much Is required the balanced ration r. Is worked out by grouping to to- ether ther the necessary amounts of the different feeds to give ghe the correct total proportion of nutriments Rations ns is mis worked out by this process can only e ci as us a guide because of or the great grent In Individual cows but they sire mire very ery valuable In actually obtaining obtain obtain- lug ing the best r rations t U OIlS |