Effects of yeast on intestinal health

With increasing bans on the use of antibiotics and zinc oxide, how can we ensure intestinal health without high doses of these substances? Yeast and its deep processed products are fine alternatives. Reducing the amount of antibiotics or the dosage of zinc oxide has an effect on an animal’s intestinal health. High doses of zinc oxide can reduce the rate of diarrhoea, but zinc oxide discharged from the body will seriously affect land and food safety. Antibiotics, as growth promoters, are also