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American Bull Molosser – Dog Breed Guide

Breed summary

Size: Large
Weight: 70 to 115 pounds
Height: 20 to 26 inches
Longevity: 15
Bark Tendency: Medium
Aggression: Medium
Compatibility to other pets: Medium

Adopt an American Bull Molosser, Dog Breed Guide


A great family protector is the primary trait of the American Bull Mollosser or the ABM. It is truly hard to miss these fellows as they are armed with those big heads and broad foreheads. The American Bull Molloser is a menacing hulk and muscular brute to look at, but they are very friendly to his family and will show their affection.

American Bull Molosser

Official Name

American Bull Molosser
Other Name: American Molosser, American Brabanter, American Bullenbeisser


Date – 20th Century
Country- United States of America
Family / Group – Protection Dogs


Fairly young as a breed, The American Bull Molloser can trace its foundation or quality core from various large-sized dogs, including the Hines Bulldog, American Bandogge, German Rottweiler, Neapolitan Mastiff, South African Boerboel, Hermes Olde Bulldog, Cane Corso and the Dogue de Bordeaux. They fare well as service dogs but they are more popular for being one of the most valuable guard dogs to have for family.


The American Molosser possesses intelligence, natural protective instincts, stable working temperament and the desire to please its masters. They are fiercely loyal and very courageous. They might look like mean hulks of a dog, but the ABM, if trained well can be stable family members. When they reach maturity, American Bull Mollosers will continue to provide companionship and excellent security for his master or his master’s entire family.

Bred For

Several various tasks but fare well as service dogs. They are also considered one of the most valuable dogs when it comes to family protection.


The American Bull Molloser requires a clean, stable and very healthy environment. They can adapt to city, rural or suburban living conditions as long as they are trained properly.


Although they enjoy daily brushing, it is not an important necessity. Flea, tick and heartworms preventative shampoos are recommended.


The objective of training and successfully keeping this dog is to achieve a pack leader status. It is a natural instinct for a dog to have an order in their pack.


For a dog breed so young, health problems are still not known or reported.


The American Bull Molloser requires brisk walks twice a day. Playing fetch as well as obedience training will make ABM stay in tip-top physical and mental condition.



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