5 Micro-organisms and cultures of micro-organisms, in particular probiotic preparations for medical use in the nature of probiotic lactic bacteria, bifidobacterium probiotic bacteria to be administered to human beings and to reared animal species, for medical and veterinary use; micro-organisms and cultures of micro-organisms, in particular probiotic preparations for medical use in the nature of probiotic lactic bacteria, anallergic bifidobacterium probiotic bacteria which has beneficial activity on the intestinal microflora of babies; proprietary medicine containing micro-organisms and cultures of micro-organisms, in particular probiotic preparations for medical use in the nature of probiotic lactic bacteria, bifidobacterium probiotic bacteria for treating the intestinal bacterial flora, for restoring the balance of the intestinal bacterial flora when changed in the course of treatment with antibiotics or chemotherapy, for treating acute and chronic gastro-intestinal diseases caused by a change in the intestinal bacterial flora, for treating intestinal dismicrobic syndromes, in particular in diseases linked to changes in the bacterial flora such as diarrhea, gastroenteritis, non-specific enteritis, colitis, ulcerous colitis and Crohn's disease, to be taken orally, in particular in the form of capsules, tablets, solutions, suspensions, granules and granules in dried or freeze-dried form; food supplements, food supplements for medical use containing micro-organisms or cultures of micro-organisms, in particular probiotic lactic bacteria, bifidobacterium probiotic bacteria to be administered to human beings; dietary supplements; food supplements containing micro-organisms and cultures of micro-organisms, in particular probiotic lactic bacteria, bifidobacterium probiotic bacteria to be administered to human beings and reared animal species, not for medical or veterinary use; symbiotic dietary supplements containing micro-organisms or cultures of micro-organisms, in particular probiotic lactic bacteria, bifidobacterium probiotic bacteria and prebiotic fibres; food supplements for animals, not for medical use