The present invention is directed to the field of phage therapy for the treatment and control of bacterial infections. In particular, the present invention is directed to the novel bacteriophages F1245/05, F168/08, F170/08, F770/05, F197/08, F86/06, F87s/06 and F91a/06, isolated polypeptides thereof, compositions comprising one or more of the novel bacteriophages and/or isolated polypeptides and methods for the treatment and prevention of bacterial infection, either alone or in combination with other antibacterial therapies, e.g., antibiotics or other phage therapies.