Evaluation of the <i>in vitro</i> effects of the increasing inclusion levels of yeast β-glucan, a casein hydrolysate and its 5 kDa retentate on selected bacterial populations and strains commonly found in the gastrointestinal tract of pigs

Abstract

The 5 kDa retentate of a casein hydrolysate exhibited an <italic>in vitro</italic> prebiotic activity.