A species of Bifidobacterium that occurs in the LARGE INTESTINE of humans and other mammals and in FERMENTED DAIRY PRODUCTS. It is used as a PROBIOTIC.

Synonyms: Bifidobacterium animalis subsp lactis, Bifidobacterium lactis, txid28025, Bifidobacterium animalis, txid552531, Bifidobacterium animalis subsp animalis, Bifidobacterium BB-12