Is this family of intestinal bacteria improving animal performance?

The family Erysipelotrichaceae, which is probably quite unknown to most, is an emerging group of bacteria in the phylum Firmicutes, which contains species originally classified into Clostridial subphylum clusters XVI & XVIII. In the cecum of broiler chickens, Erysipelotrichaceae is considered to be part of the core microbiota, comprising a high percentage of total microbiota.