Playful
Loving
Independent
Alert
Intelligent
Responsive
Affectionate
Loyal
Lively
Gentle
Companionable
Sturdy
Amiable
Charming

Protective
Alert
Powerful
Courageous
Intelligent
Docile
Affectionate
Reliable
Loyal
Devoted
Cheerful
Calm

Havachins are low shedding dogs, requiring minimal coat care.

Doubull-Mastiffs are moderate shedders, but regular brushing can reduce shedding and maintain coat health.

Avoid Havachins as watchdogs - they're not effective.

Doubull-Mastiffs are decent watchdogs - they'll alert their owner if something seems amiss.

​United States

United States

Havanese, Japanese Chin

Bullmastiff, Mastiff

ACHC = American Canine Hybrid Club
DBR = Designer Breed Registry
DDKC = Designer Dogs Kennel Club
DRA = Dog Registry of America, Inc.
IDCR = International Designer Canine Registry®

ACHC = American Canine Hybrid Club
DDKC = Designer Dogs Kennel Club
DRA = Dog Registry of America, Inc.

Brown

Brown

Black

Black

Black
White
Sable
Gray
Red

Fawn
Brindle

Havachins have medium-length coats.

Doubull-Mastiffs have coats that can be either short or medium in length.

Curly

Straight

A Havachin can have a litter of 1-9 puppies on average. However, it's worth noting that the size of the litters can vary greatly. Factors that can influence litter size include the health of the mother, breeding history, and genetics.

A Doubull-Mastiff can have a litter of 4-13 puppies on average. However, it's worth noting that the size of the litters can vary greatly. Factors that can influence litter size include the health of the mother, breeding history, and genetics.

Havachins are highly adaptable and versatile, making them excellent companions for families and individuals of all lifestyles.

Doubull-Mastiffs are known for their adaptability and can adjust well to different environments and lifestyle changes.

While the Havachin breed is generally healthy, occasional vet check-ups are still necessary to address any health concerns.

The Doubull-Mastiff breed is generally very healthy, requiring minimal vet visits. Still, it's important to keep an eye on their health and seek veterinary care when needed.

Progressive Retinal Atrophy
Hip Dysplasia
Mitral Valve Disease
Portosystemic Shunt
Heart Murmur

Entropion
Elbow Dysplasia
Retinal Dysplasia
Hip Dysplasia
Bloat
Ataxia

Patellar Luxation
Cataracts
Legg-Calve-Perthes Disease

Ectropion
Progressive Retinal Atrophy
Cataracts
Retinal Dysplasia

X-Rays
MRI
CT Scan
Physical Examination
Blood Work
Ophthalmic Examination

X-Rays
MRI
CT Scan
Eye Examination
Myelography (Dye And X-Ray to Assess The Spinal Cord)

Havachins' high energy levels make them unsuitable for a low-key dog, choose accordingly.

Doubull-Mastiffs are a good choice for a low-key lifestyle due to their low energy levels.

Havachin has very high social needs and requires regular mental and physical stimulation, a job or purpose, and companionship.

Doubull-Mastiff has average social needs and is less independent than other breeds.

Havachin dogs are generally less vocal than other breeds and only bark when necessary, such as to alert their owner or communicate.

Doubull-Mastiffs are typically quiet and only bark when needed, such as to alert their owner or when in distress.

Havachins are medium-energy dogs and typically enjoy socializing and playing casual or even sustained games of chase with other dogs. They may also have occasional periods of barking or racing around the house.

Doubull-Mastiffs are low-energy dogs. This breed make a great companion for a relatively inactive person. Doubull-Mastiff dogs require a few short daily walks, and then they're happy snuggling next to you for the rest of the day.

There's really no limit to how far you walk your dog as long as they're comfortable. For Havachin, it's at least 9 miles / week. Just remember to build distance and stamina gradually over time.

There's really no limit to how far you walk your dog as long as they're comfortable. For Doubull-Mastiff, it's at least 7 miles / week. Just remember to build distance and stamina gradually over time.

The Havachin requires an average amount of grooming compared to other breeds.

The Doubull-Mastiff has low grooming needs and is easy to maintain.

Pin Brush
Slicker Brush
Scissors
Nail Clipper

Slicker Brush
Comb
Nail Clipper

For an average 6-13 pound (3 - 6 kg) Havachin feed 1 cups daily. But, keep in mind, the amount you feed is going to be dependent on the quality of the food you are feeding.

For an average 130-200 pound (59 - 91 kg) Doubull-Mastiff feed 4 cups daily. But, keep in mind, the amount you feed is going to be dependent on the quality of the food you are feeding.

The average cost of a Havachin is somewhere $1.10 - $1.40 per day.

The average cost of a Doubull-Mastiff is somewhere $3.90 - $4.20 per day.

The average per month expenses of a Havachin is between $28 - $42. This makes an average of $336 - $504 per year. It will be on the higher side when the dog is still small because it will need more frequent visits to the vet, shots.

The average per month expenses of a Doubull-Mastiff is between $112 - $126. This makes an average of $1344 - $1512 per year. It will be on the higher side when the dog is still small because it will need more frequent visits to the vet, shots.

Havachin has below average obedience intelligence, but they excel in understanding human emotions.

Doubull-Mastiff is an independent and stubborn breed with low obedience intelligence, making training a test of patience.

Havachins make excellent apartment dogs, being fairly active indoors and not requiring a yard.

Doubull-Mastiffs are good apartment dogs as long as they get enough exercise and stimulation outside of the apartment.

Havachins are good with kids if socialized and trained from a young age.

Doubull-Mastiffs make excellent family pets for kids due to their gentle, protective nature and calm temperament.

Havachins are very friendly with cats and make great companions for them.

Doubull-Mastiffs are average in their friendliness toward cats and tend to do well with them, especially if raised together.

Havachins are friendly and active companions, and can be good family pets, though their friendliness towards other dogs may vary.

Doubull-Mastiffs are less friendly towards other dogs, but can improve with socialization.

Havachins are highly friendly around strangers.

Doubull-Mastiffs are averagely friendly around strangers but benefit from early socialisation.

Havachins are a playful breed that needs daily playtime to be happy.

Doubull-Mastiffs are not known for being a highly playful breed.

Havachins are popular for their ease of training and quick learning ability.

Doubull-Mastiffs are usually easy to train but require consistency to fully obey commands.