If your dog is like most canines, all he or she needs to hear is the word "walk," and they're ready to go, day or night. But it turns out there are good, bad — and really bad — times to walk a dog.

"With your dog having heavy food or close to a full stomach before a hike, there is a risk of bloat." (Gastric dilatation-volvulus, or GDV, is bloating that can occur after eating and then exercising ...