LAB complexes, such as a combination of E. faecium,
L. acidophilus, Pediococcus pentosaceus and L plantarum (a basal diet without antibiotics or
probiotics was used as control, and the other 3 groups were fed the control diet supplemented with 600
ppm of one of three different LAB complexes) increased feed intake and weight gain and improved feed
conversion [24].