Your dog’s gut does more than digest food. It produces the neurotransmitters that shape mood, regulates the stress response, and communicates directly with the brain through a network of nerves, hormones, and immune signals. When that system is disrupted, behaviour changes, and this guide explains exactly how, and what nutrition can do about it.
Gut Health and Dog Behaviour: What the Microbiome Reveals About Reactivity and Aggression
