Heat-resistant salmonella virulent bacteriophage strain and application thereof

The invention provides a heat-resistant salmonella virulent bacteriophage strain and application thereof, and belongs to the technical field of bacteriophages. The salmonella virulent phage is separated from salmonella pullorum, the biological preservation number is CCTCC NO: M20221380, the salmonella virulent phage has dual stability to high temperature and pH value, has splitting activity to various salmonella, has the characteristic of wide host range, is high in splitting activity, can be used for preventing, controlling and eliminating salmonella pollution, and has a broad application prospect. A guarantee is provided for the safety of feed or drinking water in animal breeding. 本发明提供了一株耐热沙门氏菌烈性噬菌体毒株及其应用，属于噬菌体技术领域。本发明从鸡白痢沙门氏菌中分离得到一株沙门氏菌烈性噬菌体，生物保藏编号为CCTCCNO：M20221380，对高温和pH值具有双重稳定性，同时对多种沙门氏菌具有裂解活性具有宿主范围广的特点，同时裂解活性高，能够用于沙门氏菌污染的防控和清除，为动物养殖中饲料或饮用水等安全提供保障。