Show iron in many mineral mixtures does not help the llie use for iron fron on tile the farm Is still in farm machinery and not in mineral mixtures roli tures for live stock according to lo dr 11 II 11 II 1111 chief in animal nutrition university of 11 illinois 11 E nt at the university indicate tint that common forms forma of 0 iron used in many complex mix turea no nib r worthless in general live stock feeding lie states treatment of nutritional affords the only known legitimate use tor for iron salts s n live stock rations a at t the present t time im e the laese disease ls ese which la Is rare Is t traca ra alle able solely to strict milk feadin feeding g under unnatural conditions of management iron oxide the most commonly used form did not appreciably benefit ane anle pigs even when given in large doses although they responded respond oil read lly ily to soluble iron salts wil 1 i rations fire are fed containing iron rich food like tile the feeding of iron in mini f era brals s seemed to cause a tendency toward an unfavorable effect matchell Ml it concludes |