Cleaning your dog's teeth on a regular basis is one of the easiest things you can do to maintain his health, especially as he ages. It can be far simpler and faster than many people think. Starting when he's young to get him comfortable with handling his mouth helps to set him up for a lifelong posi...

Study on Behavioral Reasons a Guide Dog is Removed or “Washed’ from Work
Here is a link to 20 years of research that looks at why specific-bred guide