Presented by Dr. Callie Harris. Probiotics are live bacterial supplements that can benefit the host animal by modifying the host’s intestinal microbial balance. This balance is an important factor in regulating immune function and general GI health and may play a role in behavior modification, specifically anxiety, through the gut–brain axis. The objective of this webinar is to describe the characteristics of a safe and effective probiotic and explain when and how to use such probiotics. Research is presented describing how an appropriate probiotic supplement can modify the GI microbiome to improve immune function, resolve clinical signs of GI disease, and alleviate clinical signs of canine anxiety.