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Direct Fed Microbials

Direct-fed microbials are also known as probiotics. The word “probiotic” literally means “for life” and is the opposite of the word antibiotic. Probiotics are good bacteria that can help boost the levels of beneficial bacteria in the gut, whereas antibiotics attack and kill infections and unwanted bacteria. For animals, probiotics are more commonly referred to as direct-fed microbials, or DFMs.

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Good Bacterial Balance

Every animal with a digestive system, including humans, has bacteria in their digestive system. Without bacteria an animal could not digest food. Animals have an extremely complex collection of about 100 trillion micro-organisms in their entire digestive tract. The intestine of animals contains billions of bacteria, some of which are beneficial (good bacteria) and some of which are pathogenic (bad bacteria).
Under certain conditions, such as stress, the natural balance of beneficial bacteria in the digestive system is disrupted. The number of pathogens increases while the number of beneficial organisms decreases, causing digestive upsets including diarrhea, constipation, and discomfort. In animals, DFMs may help restore the normal microbial balance in the gut and overall health of the animal.

When to Use Probios​


Vets Plus, Inc. is the exclusive manufacturer of Probios® microbial products in the U.S.A. Vets Plus is Safe Quality Food (SQF) Level 3 certified, an audited member and preferred supplier of the National Animal Supplement Council (NASC). 

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