30. What's the difference between a Mastiff and a Bullmastiff?
Description
This article is from the Mastiffs Breed FAQ, by mmcbee@access.mountain.net (Mike McBee) with numerous contributions by others.
30. What's the difference between a Mastiff and a Bullmastiff?
The Mastiff is an ancient British breed and its history can be
traced back over 2,000 years. The Bullmastiff is a relatively
recent breed developed from crossing Mastiff (60%) and Bulldog
(40%) stock. The Bullmastiff's shorter, more compact, more
muscular look; shorter muzzle; higher energy level and greater
stubbornness are derived from the Bulldog part of the
Bullmastiff's ancestry.
The most noticeable differences are temperament, the conformation
of the heads and overall size of the dogs.
Mastiffs have a mellower, more relaxed temperament, compared to
the pushier, more active temperament of the typical Bullmastiff.
The Mastiff's forehead should be slightly curved and the stop
(indentation between the eyes) well marked but not too abrupt
while the Bullmastiff's forehead should be flat and the stop
moderate.
Mastiff males should be at least 30" at the shoulder and females
27 1/2" at the shoulder, with no upper limit for height.
Bullmastiff males should be between 25-27" at the shoulder and
females 24-26" at the shoulder.
Weight ranges differ significantly between the breeds, with the
Bullmastiff being smaller as well as more compact. The Bullmastiff
Standard lists 110-130 pounds for males, 100-120 pounds for
females. While the Mastiff Standard specifies no weight ranges,
males weights usually run 160 pounds and up, females 120 pounds
and up.
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