what does lactococcus cremoris do in the intestines
[ edit intro ]. Lactococcus lactis is a non-pathogenic, Gram-positive bacteria, known for its essential role in dairy food production. It is closely related to the streptococcus genus and has two subspecies, L. lactis subsp. and L. cremoris subsp.cology. Lactococcus lactis is an opportunistic bacteria, in nature, it can be found on wild plants and consequently in the gastrointestinal tract of animals, such as cows, and are ultimately inoculated in milk. A study has been done showing the survival rate of ingested L. lactis.