PROCESS FOR PRODUCING PREMIX ENHANCING THE EFFECT OF ANTIBACTERIAL PROTECTIVE MECHANISM IN INTESTINAL TRACT OF DOMESTIC ANIMALS AND INCREASING FODDER UTILIZATION OF DOMESTIC ANIMALS

摘要

Antibacterial activity in the intestinal tracts of farm animals and utilisation of fodder by them, is improved by a premix and by fodders contg. such a premix. The premix contains a metallic salt mixt. having an ionic strength of 10-15, opt. 10-60 mg/kg. of premix of a carboxy-ionophorous cyclic-polyester. Antibiotic type cpd. may also be added to the premix. Alternatively, or in addn. ionophorous effect enhancing substances of a di:hydro-quinoline-dimer type, may also be added at 50-150 mg/kg. premix final concn. level, also carotenoid type peroxidation inhibiting cpds. at 1-100 mg/kg. final concn. may be added. An improved fodder mix of this type contains customary ingredients and 0.5-1.0 wt.% of a premix.