American Molossus vs Australian Bulldog - Breed Comparison

Australian Bulldog is originated from Australia but American Molossus is originated from United States. Australian Bulldog may grow 16 cm / 6 inches shorter than American Molossus. Australian Bulldog may weigh 13 kg / 28 pounds lesser than American Molossus. Both Australian Bulldog and American Molossus has almost same life span. Both Australian Bulldog and American Molossus has same litter size. Both Australian Bulldog and American Molossus requires Moderate Maintenance.

Basic Information

Group:
Non sporting dog
Molosser dogs
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Australia
United States
Height Male:
45 - 50 cm
17 - 20 inches
56 - 66 cm
22 - 26 inches
Height Female:
44 - 49 cm
17 - 20 inches
51 - 60 cm
20 - 24 inches
Weight Male:
28 - 35 kg
61 - 78 pounds
38 - 48 kg
83 - 106 pounds
Weight Female:
23 - 30 kg
50 - 67 pounds
32 - 43 kg
70 - 95 pounds
Life Span:
9 - 12 Years
10 - 14 Years
Litter Size:
3 - 8
6 - 8
Size:
Medium
Giant
Other Names:
Aussie bulldog, Australian Boss dog
American Molosser • American Brabanter • American Bullenbeisser
Colors Available:
in the shades of brindle like red, fawn, pied, apricot, mahogany, orange, silver
Colors are black, black brindle with some white
Coat:
short, fine coat with a smooth texture
coat type coarse, dense, smooth and long
Shedding:
Moderate
Minimal
Temperament:
Affectionate, Alert, Courageous, Energetic, Friendly, Intelligent, Loving, Loyal, Outgoing, Playful, Responsive
Alert, Courageous, Independent, Intelligent, Loving, Loyal, Protective, Quiet, Territorial
Grooming:
Moderate Maintenance
Moderate Maintenance
Trainability:
Easy
Moderate
Hypoallergenic:
No
No
Kids Friendly:
Yes
Yes
New Owners Friendly:
Yes
No

History

australian bulldogThe Australian Bulldog was bred from several breeds: The Bullmastiff, English bulldog, the English Staffordshire Bull Terrier and the Boxer. You will notice that his appearance is quite similar to the English bulldog, but this breed has a less-squished muzzle, fewer wrinkles and longer legs. They have great strength with a good thickness of the bone. They are solid and compact breed with good muscle tone.

The head structure of an Aussie Bulldog is one of its main attributes. It is very strong, square shaped with depth and width of muzzle less than a general bulldog. They have some wrinkle across the nose. Eyes are wide apart, large and clean. The jaw is wide and square, with strong teeth.

The name Australian Bulldog was given by Noel and Tina Green, the founders of the breed. They introduced Australian Bulldog to the public in 1998.

Based on the massive dog of Mesopotamia in 5000 BC, the American Molossus is the same dog recreated in the United States by and for the lovers of these giant dogs. The ancient Molossus was fierce to look at, massive in size, courageous and loyal. He was undaunted by any animal and stood up to any man attempting to hurt his master. When Rome fell the descendants of today’s Molossus were scattered and attempts to revive the breed have created carious large dogs. The American Molossus is the first true recreation that hits the mark.

The original Molossus was one of the most primitive of dogs, one of the earliest dogs that men domesticated. Their initials duties were the guarding of herds and homes against all enemies. They were incredibly loyal to their one master and stayed with him and protected him. These dogs also ate carrion and served the villages by eliminating animal carcasses. They could handle any other hunting animals such as wolves and large cats. This dog, although extinct was the ancestor of all the Mastiff-type dogs of today. The Molossus is said to be the ancestor of the St. Bernard, English Mastiff, Greater Swiss Mountain Dog, Bernese Mountain Dog, Newfoundland, Great Dane, Great Pyrenees, Rottweiler, Rottweiler and the Neapolitan Mastiff. Now these breeds have become the ancestry of the American Molossus.

According to Marcus Curtis, the founder of the new Molossus, the nearest relative of the American Molossus is the Neapolitan Mastiff. The Hines Bulldog, German Rottweiler, American Bandogge, and South African Boerboel together with the Neapolitan Mastiff were used to form the American Molossus. The goal of the founder was to make a great family pet and protector. It was specifically bred to be courageous, loyal and protective.

Description

australian bulldog puppyAustralian bulldogs can be very good companions considering their natural loyalty. They just love to interact with humans and they are rarely aggressive.

They can be taught to be excellent watchdogs. The perfect place to raise this breed would be a house with a yard. The Australian Bulldog is usually dominant toward other dogs in its territory but, with proper training and early socialization, you can teach them to get along with other dogs and pets.

No matter if you are an active single, or you plan to bring an Australian bulldog puppy into the big family, as long as you are caring and loving toward him, he will be an amazing pet.

The Australian Bulldog is not recommended for apartment life. But, you can teach him to live in the smaller space if you tend to respect his daily need for activity. This breed is an indoor dog, and should not be left outside all day in a kennel. The best advice is to raise them in temperate climates since they can’t bear the extreme heat or extreme cold.

This is a giant, massive dog in every way and this recently developed standard makes that very clear. The Molossus should be heavy bones, muscular with a lot of loose skin and wrinkles of all kinds, everywhere. He is an intimidating presence, with a massive square head, broad shoulders, height and mass. No, the American Molossus is not athletic, but he certainly is intimidating.

His head is massive in comparison to his body and it must be square. He has extensive wrinkles and pendulous lips and dewlap. The face is all folds of skin and wrinkles. Deep set eyes, drooping upper lids and lower lids as well as an intimidating expression. His brow is well developed with a marked frontal furrow. The nose is large, and the muzzle is about a third of the length of its head. It is short and broad. Everything about the head must be square. It’s neck and body are powerful and muscular. The chest is deep, wide and barrel like. The back is also powerful and muscular. The front legs are heavy and muscular while the hind legs are broad, strong, powerful and wide-stance. Do not remove the front dew claws. His tail is thick and wide then gradually tapers at the tip.

Health Problems

australian bulldog dogAustralian Bulldog has better health than the English bulldog and its health continues to improve with each generation.

Breathing problems

The pushed-in face causes harder breathing. Be aware that they can’t use the air to cool itself off as quickly as necessary. During the extreme heat, Australian Bulldogs can develop heat stroke and die from it.

Skin problems

Take special care of the wrinkles on their nose. They will require everyday care since wrinkles need to be cleaned and kept dry to prevent the skin infection. Bath the dog only when it is necessary because of too much bathing with soap damages the natural oils in its skin.

Obesity

The Australian Bulldog, on average, is fed two times a day. They have the high risk of obesity, so there is no real need for more than two meals. Make sure to choose a premium quality food and to feed the dog according to the instructions. Also, they need lots of fresh water since they will be super active pet.

Like all Mastiffs the American Molossus faces a variety of potential illnesses, some brought on by its size, some not.

Spondylosis

This could easily be a function of its massive size. It is a degenerative disease and can cause the dog to become lame. In many cases the vertebrae can fuse, or severe pain can result. This is mostly seen in older members of the breed.

Cystinuria

Male Molossus can contract this inherited metabolic disease primarily. It can be life threatening and very serious as it affects the kidney and the bladder.

Wobblers Syndrome

This is essentially Cervical Vertebral Instability (CVI) and is caused by the pressure of the nerves in the neck and cervical spinal cord. This compression can cause deformity, pain and abnormal stance/gait. IT has been attributed to the nutrition needs and rapid growth of the Mastiff breeds.

Like all giant Mastiff breeds the Molossus can have skin issues from the wrinkles, dysplasia in the joints which we will address below.

Caring The Pet

australian bulldog puppiesFeeding the puppy and adult: high-quality dog food for active dogs is a must. Do not overfeed them. If you are not sure about the amount of food your dog really needs, please consult a vet.

Grooming

The Australian Bulldog needs minimal grooming. They should be brushed at least once a week using a firm bristled brush. They shed a moderate amount on a regular basis so there will be loose hair to deal with. Make sure to clip the nails when necessary. They will need a tooth brushing two times a week and checking and wiping its ears once a week.

Points for Good Health: every day long walks, plenty of exercises, special skin care and regular vet check-ups.

Feeding

Remembering that this is a very, very large dog you need to be careful about nutrition and how fast your puppy will grow. American Molossus puppies need four meals a day until 12 weeks old. Then until they are 6 months old feed then 3 times a day. Finally, from 6-month-old puppy to adult – feed them twice in 24 hours.

At one year either feed them once or two small meals.

Many people feed their Molossus eggs, vegetables, fruit, and cottage cheese as ten 5 of the total for the day but avoid other table foods. The Molossus can become very picky about what he eats if you feed him too many table scraps.

Health issues

In addition to the health problems listed above, the American Molossus is also susceptible to: Ditichiasis – Eyelashes that are in the margin of the eyelids and can cause eye irritation. May require surgery to correct.

Cataract

Could cause blindness if not removed. Ectropian/Entropion: Eversion and inversion of eyelids which cause ocular irritation.

PRA or Progressive Retinal Atrophy

This is a degenerative disease which causes the dog to go blind. It is a disease the affects the retinal visual cells, first causing night blindness then day blindness. A DNA test is available for detecting PRA in all Mastiff breeds.

Dysplasia of the Elbow or/and the Hip

Common in large breeds and especially in giant breeds like the Molossus. Multiple forms and causes but all can cause pain and lameness.

Skin issues

Do to wrinkles and loose skin – check often for moisture and infections.

Panosteitis or Wandering Lameness

The is a problem based on a variety of possible causes. It happens when the puppy is between 6-16 months of age. Lameness occurs over time in one limb or in all. It can be intermittent and might be caused by diet, genetics, stress, autoimmune or metabolic issues or infection.

HOD or Hypertrophic Osteodystrophy

This issue is developmental as the dog’s toes turn either inward or outward, then as the condition advances the dog suffers fever, pain in all joints, lethargy and the inability to stand. This happens when the dog consumes too many calories for his activity level in the development times.

Exercise and games

The American Molossus is not a couch potato. He needs to be walked at least twice a day and loves to play fetch. He will be greatly benefited by obedience training. Do not overdo it with exercise but make sure they don’t just lay around.

Characteristics

Around children

australian bulldog dogsAustralian Bulldog is a breed that will protect their family. They are great during the playtime with children as well. If you don’t have children, make sure you socialize your dog with children while he is still young.

Special talents

They are extremely intelligent. You can teach you Australian Bulldog almost everything in a very short time.

Adaptability

early socialization is a must with the Australian Bulldog.

Learning ability

you should start to train your Australian Bulldog as soon as possible. Positive reinforcement-based training methods are the ones you need to master in order to raise a good Australian Bulldog. They will be trained easily if there is a firm, consistent hand in training and they need leadership role from their owners. They can be taught very easy to be obedient and they love playing games like Frisbee, catch, water activities (but they swim very rarely because of their big and heavy chests), exploring the nature.

The American Molossus is an intimidating massive giant bred for protection and guard duty. He is incredibly loyal to his family and courageous in his protection of them. They are guard dogs, not attack dogs. Their simple appearance is usually enough to frighten off anyone intending harm on their families. He is in reality a loving giant. He is intelligent and stable with a strong desire to please his owner. He is a calm yet vigilant presence in the home.

Because the Molossus is so large, it is recommended that the puppy be socialized and trained professionally. It takes a strong owner to handle this breed. They need to know the rules and have the rules consistently applied. The owner must be the pack leader.

Comparison with other breeds

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  45. American Molossus vs Airedale Terrier - Breed Comparison
  46. American Molossus vs Akbash Dog - Breed Comparison
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