did not cause enterocolitis, and the bifidobacterium itself was first obtained by the scientist henri titier isolated it from breast milk after his discovery, yew offered all newborns who have problems with the gastrointestinal tract to give bifidobacteria the term probiotics was introduced and the stylus, a in 1989, roy fuller described their positive properties, which have a beneficial effect on all patients. after almost 20 years , probiotics began to be used not only for humans, but also for animals. probiotics prebiotics i symbiotics what is it and how does it differ from each other, we will find out right now? and if they are recently hello hello olesya leonidovna sedokova senior lecturer of the department of hygiene and medical ecology of the belarusian medical academy of postgraduate education doctor hygienist the main topic of the lecture of practical classes is the issue of occupational health, food hygiene and a healthy lifestyle, the main topic of scientific research is the problem of nutrition in organized children's groups author and co-author of more than 30 scientific papers