In a first aspect, the present invention relates to new compositions comprising new bacteriophages allowing the prophylactic or therapeutic treatment of Salmonella infections in mammals and birds. Moreover, the present invention relates to the method for fighting Salmonella comprising the step of treating matter suspected to be afflicted with Salmonella with the bacteriophages according to the present invention. Moreover, the present invention relates to a method of treating or preventing Salmonella infection, in particular, in livestock.