High doses of ZnO have commonly been used in the diets of weaned piglets for reducing post-weaning diarrhea, supporting immunity and improving performance. To achieve such effects, ZnO has been added at doses ranging from 2,000 to 4,000 mg/kg diet while the nutritional zinc requirement for piglets is only 80 –100mg/kg. This medicinal use of … Continue reading Progres® as a solution to replace high doses of ZnO in weaned piglets