Show EXPERT CAUTIONS LIVESTOCK OWNERS ON MINERAL FEEDS various minerals are needed in animal rations if maximum production is to be achieved dr R A animal husbandman at the utah state agricultural col lege ege states although 13 mineral element elemen irb are necessary in the ration the ony ly minerals which need to be adder to the rations commonly fed to farm and range livestock are salt calcium phosphorus and iodine unneeded Jn needed minerals should not be fed ed to livestock since harmful effects have resulted from the excessive intake of essential minerals unnecessary minerals are usually expensive dr explains salt which is usually the only mineral required should be kept before animals at ai all times if grain is the basic part of the ration of hogs calcium and salt should be supplied in liberal amounts calcium cano cam most cheaply and effectively be secured from ground limestone steamed bone meal or de fluorinated rock phosphate with cattle sheep and horses the usual need is for phosphorus and common salt phosphorus can best be obtained from steamed bon emeal or de fluorinated r rock ock phosphate in the intermountain region salt containing 02 percent potassium iodide should be fed since there is is a general lack of iodine it if this I 1 io 0 dazed salt is kept for a long period it must be specially treated to prevent loss of iodine sulphur or inorganic sulfates sulfated sul fates are of no nutritional use to animals although they are commonly advertised dr states several studies have been made to determine the value of charcoal or coal feeding to livestock and like sulfur no benefits are derived complex mineral mixtures have no place in better feeding of livestock particularly when they contain co n purgatives purga tives worm remedies and tonics and are thus sold as shotgun shot gun prescriptions for all ills |