The present invention provides the use of the probiotic micro organism deposited under the accession number NCIMB 41117, in the manufacture of a composition for the treatment of non specific dietary sensitivity in a dog or a cat. The present invention also provides a method for the treatment of non specific dietary sensitivity in a dog or a cat, the method comprising administering to the dog or cat the probiotic micro organism deposited under the accession number NCIMB 41117.