The HPA Axis in Dogs: How Chronic Stress Rewires Whole-Body Health

The stress system behind your dog's itching, loose stools and restless nights is often the same one. Here is how the HPA axis works, and how to support it.

The stress system behind your dog's itching, loose stools and restless nights is often the same one. Here is how the HPA axis works, and how to support it.

The Border Collie's extraordinary mind is also its greatest health vulnerability. A canine nutritionist explains the gut-brain science behind the breed's epilepsy predisposition, anxiety, and what daily microbiome support can do.

Canine anxiety affects up to 70% of dogs with behavioural disorders and is a leading cause of shelter relinquishment. Emerging research into the gut-brain axis reveals that specific psychobiotic strains can help reduce anxious behaviours by modulating neurotransmitter production, regulating cortisol levels, and supporting vagal nerve communication between the gut and brain.

This evidence-based guide explains how to select the right probiotic strains for your dog's specific health needs. It covers the science behind how probiotics work — including eight mechanisms of action and their connections to immunity, skin, brain, and other organs through gut-organ axes.