The present invention relates to novel bacteriophages and bacteriophage cocktails containing the novel bacteriophages and or parts and/or products of them, all of them belonging to the Caudovirales order. The novel bacteriophages and the bacteriophage cocktails containing the novel bacteriophages and or parts and/or products of them are Salmonella specific bacteriophages and have lytic activity against Salmonella.