Playful
Stubborn
Independent
Energetic
Alert
Courageous
Intelligent
Responsive
Affectionate
Lively
Gentle
Companionable
Cheerful
Sturdy
Amiable
Charming

Loving
Protective
Alert
Powerful
Courageous
Intelligent
Confident
Friendly
Docile
Reliable
Loyal
Devoted
Gentle
Calm
Reserved

​United States

United States

Jack Russell Terrier, Havanese

Bullmastiff, Great Dane

Brown

Brown

Black

Black

White
Black
Sable
Gray

Black
White
Gray
Brown
Brindle

Hava-Jacks have longer coats compared to most dogs.

Bull Daniffs have coats that can be either short or medium in length.

A Hava-Jack 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 Bull Daniff 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.

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

Bull Daniffs have average adaptability to changes in lifestyle and living environments compared to other breeds.

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

The Bull Daniff 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
Glaucoma
Lens Luxation
Mitral Valve Disease
Portosystemic Shunt
Heart Murmur

Osteosarcoma
Hip Dysplasia
Bloat
Osteochondritis Dissecans
Dilated Cardiomyopathy (DCM)

Patellar Luxation
Hip Dysplasia
Legg-Calve-Perthes Disease

Cataracts
Retinal Dysplasia
Glaucoma
Atopy

X-Rays
Physical Examination
Ultrasound
Blood Work
Echocardiogram Tests
Ophthalmic Examination
Electroretinogram (ERG)

X-Rays
Eye Examination
Electrocardiogram
Complete Blood Count
Allergy Testing

Hava-Jacks sleep less than other breeds but still need adequate sleep for good health.

Bull Daniffs have moderate energy levels and typical sleep patterns of 12-14 hours per day.

Cuddling, Tug-of-war, Walking, PuzzleToys, FetchAgain, Fetch, Running

Walk, Play, Watch tv, Belly rubs, Hunting Rabbits, Hike, Cuddle

Hava-Jacks are high-energy dogs. They need mental as well as physical exercise. These dogs require a lot of your involvement and without it they can, and will, become problematic dogs.

Bull Daniffs 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.

There's really no limit to how far you walk your dog as long as they're comfortable. For Hava-Jack, it's at least 8 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 Bull Daniff, it's at least 14 miles / week. Just remember to build distance and stamina gradually over time.

In general most Hava-Jacks usually need at least 45 minutes of exercise daily. This can be spread across the day and include all sorts of high-energy activities, like walking, running and playing.

In general most Bull Daniffs usually need at least 60 minutes of exercise daily. This can be spread across the day and include all sorts of high-energy activities, like walking, running and playing.

The Hava-Jack requires an average amount of grooming compared to other breeds.

The Bull Daniff has low grooming needs and is easy to maintain.

Ideally, Hava-Jack should be brushed at least 2 or 3 times a week (preferably daily) improve shedding.

Bull Daniff should be brushed at least once a week. Of course you can give them more frequent brushes if you find that they are still shedding a lot

Pin Brush
Slicker Brush
Nail Clipper

Slicker Brush
Comb
Nail Clipper

For an average 9-17 pound (4 - 8 kg) Hava-Jack 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 115-200 pound (52 - 91 kg) Bull Daniff 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 Hava-Jack is somewhere $1.00 - $1.40 per day.

The average cost of a Bull Daniff is somewhere $3.90 - $4.20 per day.

The average per month expenses of a Hava-Jack is between $35 - $42. This makes an average of $420 - $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 Bull Daniff 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.

This breed is sensitive and requires gentle handling and a calm home environment.

This breed is sensitive to its environment and best suited for patient and understanding families with a consistent routine.

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

The Bull Daniff is a great apartment dog, thriving with sufficient exercise and time outside as part of their daily routine.

Hava-Jacks are good with cats, but early training is needed to prevent chasing behavior.

Bull Daniffs are somewhat cat friendly and can be trained to get along with cats.

Hava-Jacks are generally very friendly towards other dogs, with a happy and affectionate temperament.

Bull Daniffs are less friendly towards other dogs, but can improve with socialization.

Hava-Jacks are friendly but may bark at strangers, and training is easy due to their intelligence.

Bull Daniffs are averagely friendly around strangers but benefit from early socialisation.

Hava-Jacks are very playful, so adopting an older one might be a better option for a more relaxed experience.

Bull Daniffs are not known for being a highly playful breed.

Hava-Jacks are popular for their ease of training and quick learning ability.

Bull Daniffs are usually easy to train but require consistency to fully obey commands.