“…Beneficial effects of probiotics highly depend on species-and strain-specific, tolerance and adhesion in gastrointestinal tract (Corona-Hernandez et al, 2013). Lactic acid bacteria, such as Enterococcus faecalis, play an important role in intestinal tract by modulating gut microflora of animals (Han et al, 2018;Wang et al, 2018). However, lactic acid bacteria are very sensitive to the external environment, such as feed process, storage, and gastrointestinal tract of animal (Corona-Hernandez, Alvarez-Parrilla, Lizardi-Mendoza, Islas-Rubio, & de la Rosa, 2013;Prakash, Tomaro-Duchesneau, Saha, & Cantor, 2011).…”