One of the greatest problems for the dairy industry is the presence of bacteriophages that destroy these starter cultures. Lactic acid production by a heavily phage-infected starter culture can come to a halt within 30 minutes.

• 当今,乳品工业存在的最大的问题之一就是噬菌体的存在,它会破坏这些发酵剂。严重污染了噬菌体的发酵剂在30分钟之内就会停止生产乳酸的过程。