What is the world's largest dog breed?

Answer by  sooz (644)

The Old English Mastiff is the largest breed. They are the largest because of their weight, not their height. Irish Wolf Hounds are taller than Mastifs.

Answer by  Lore (174)

It's Old English Mastiffs. They can weigh from 110 pounds to over 300 pounds and stand from 25 to 36 inches high at the shoulder.

Answer by  Cvt (149)

The tallest dog breed is the Irish Wolfhound. The heaviest dogs seem to be the Mastiffs, especially the Bull Mastiff. But, Great Danes and Rottweilers are also very large.

Answer by  Domdom (113)

On average, the English Mastiff is the largest breed in terms of overall size (height and weight). A Great Dane named Gibson currently holds the record for tallest dog.

Answer by  Sinefey (457)

Tallest breed is the Irish Wolfhound, 3ft at the withers. English Mastiffs hold the biggest record in terms of mass, + 200lbs is not uncommon.