Show Complex Mineral 1 Feeds Needless Farm Expense Farmers can economize on the feeding of complex mineral mix mix- mixtures mixtures tures lures to live stock without any dan dan- danger danger danger ger of cutting down their returns according to a circular The Feed Feed- FeedIng Feeding Feeding ing of Mineral Supplements to Live Stock Issued by the College ot of Agriculture University of Illi 1111 Illinois nois nots The publication Is an to to dato date revision of a n previous circular on the same subject by II U II Mitch Mitch- Mitchell Mitch ell cal chief In animal nutrition Carefully conducted experiments have failed tailed to show any need for complex mineral mixtures In gen gen- general general gen gen- general eral practice practices the circular points out Minerals should be used In the feeding of live stock only as supple supple- supplements supplements supplements ments to rations that have bave been properly balanced In other oilier respects particularly In respect to protein Mineral supplements therefore need contain only a few Cew minerals In which farm feeds are known to be deficient These can be supplied cheaply chen ply and mixed on the farm All mineral mixtures should con contain lain tain common salt and a calcium supplement As a measure of safe safe- safety safety safety ty some form of or calcium phosphate may be used particularly for tor dairy cows and for tor growing animals sub sub- subsisting subsisting subsisting mainly on pastures grown on poor soils |