Bacteria such as Lactobacillus Acidophilus and Bifid bacteria are much helpful and beneficial for your pet because it is present in intestines and help the pet to digest the food. While the presence of Salmonella or an E. coli bacterium causes the gas, indigestion etc.
You can add the Lactobacillus Acidophilus and Bifid bacteria in the food to properly digest the food and avoid the indigestion, gas and many types of intestine problems. Presence of the essential bacteria is important so many foods contain the Lactobacillus Acidophilus and Bifid bacteria in the content of the food.