Summary of doctoral thesis: Isolation of bacillus subtilis and its application on the prevention of intestinal diseases in chicken

The objectives: At least one Bacillus subtilis strain was isolated in some provinces in the Mekong Delta, having probiotic properties such as: ability to produce digestive enzymes (amylase, protease, lipase); resistance to digestive juice (gastric juice and bile acid), ability to adhere to intestinal mucus and resistance to some pathogenic bacteria (S. enterica, E. coli).