The invention relates to the use of ethylenediamine tetraacetic acid (EDTA) and its derivatives, i.e. its salts and complexes for prevention and treatment of bacterial intestinal diseases of pigs and for increasing the effects of antibiotics exerted in such diseases. The invention also relates to compositions for animal husbandry, i.e. to veterinary compositions and to feeds and drinks which can be consumed by pigs, comprising EDTA or its derivatives.
