The greatest concentration of bacteria is in the gut and it’s been connected to many chronic diseases that effect humans and canines. Microbiome has so many vital functions.

Take a look at this very informative video:

https://www.facebook.com/watch/?v=1634890073272457

This is also a great article:

https://www.animalbiome.com/blog/gut-bacteria-the-secret-to-your-dogs-health