Herbal supplements are one type of dietary supplement. An herb is a plant or plant part (such as leaves, flowers, or seeds) that is used for its flavor, scent, and/or potential health-related properties.
The Greyhound â The King of Canine Racers. When you think of fast dogs, the tall and lean Greyhound is the first breed that usually springs to mind. This long-legged, smooth-coated racing breed has been clocked at speeds up to 45 miles per hour, sparking its nickname: the 45-mph couch potato.
The further out the tongue hangs the more tired your dog is. Some dogs will run themselves to death so be careful. The best breeds for long distance running are the Veisla, the Weimeriner and dogs used for herding. I believe they can run up to 15 or 20 miles. The amount of time a dog can run per hour wouldn't be consistant, it would continually decrease with each hour they have run. Also dependent on conditioning, breed, energy level of particular dog, weather (heat), and pace.