the aim of the present study was to investigate the effect of addition of soymilk on physicochemical, microbial, and sensory characteristics of milk fermented with lactobacillus acidophilus. soybeans were blended 1:5 w/v with distilled water. the prepared soymilk was added to milk in combinations of 20%, 40%, and 60%. milk was used as the control. all the samples were sterilized and fermented w...