Defining doggy intelligence Aug 13, 2009 By dvm360.com staff A dog's vocabulary and counting ability are about the same as those of 2-year-old children, according to new research. Click here to read more. Hot topics on dvm3605 ways to wow pet owners (and pets) 10 steps to take when a practice owner dies dvm360 sits down with Dr. Pol Ack! How do you spell that again? "Best. Veterinary Practice. EVER."