Playful
Alert
Intelligent
Confident
Friendly
Affectionate
Lively
Gentle
Going
Aggressive
Fearless
Keen
Faithful
Charming

Loving
Stubborn
Independent
Energetic
Alert
Courageous
Friendly
Social
Sweet
Aggressive
Cheerful

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

Bull Jacks aren't great guard dogs; they tend to just watch without taking action.

United States

United States

Shiba Inu, Boston Terrier

Bulldog, Jack Russell Terrier

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

ACHC = American Canine Hybrid Club
DRA = Dog Registry of America, Inc.

Brown

Brown

Black

Black

Brindle
Blue
Black
White

Brown
White
Black

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

Bull Jacks have medium-length coats.

Straight

Wiry

A Shibos can have a litter of 3-5 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 Jack can have a litter of 4-8 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.

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

Bull Jacks typically have low vet costs due to their good health, but it's important to monitor their health and seek vet care when necessary.

Hip Dysplasia

Patellar Luxation
Glaucoma
Hip Dysplasia
Hemolytic Anemia

Patellar Luxation
Cataracts
Glaucoma
Hypothyroidism
Atopic Dermatitis
Brachycephalic Syndrome
Food Allergies

Cherry Eye
Epilepsy
Heart Murmur
Atopy
Mass Cell Tumor

Eye Examination
Radiographs
Blood Sugar and Thyroid Tests

X-Rays
Eye Examination
Electrocardiogram
Complete Blood Count
Skin Biopsy
Allergy Testing

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

Bull Jacks are suitable for those with a balanced lifestyle as they have an average energy level.

Shiboss need only a small amount of physical activity, ideal for busy or elderly people or those with limited space.

Bull Jacks need moderate physical activity and are great for families and active individuals.

Shiboss sleep less than other breeds but still need adequate sleep for good health.

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

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

Bull Jacks are typically quiet and only bark when needed, such as to alert their owner or when in distress.

Shiboss 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.

Bull 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.

There's really no limit to how far you walk your dog as long as they're comfortable. For Shibos, it's at least 6 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 Jack, it's at least 12 miles / week. Just remember to build distance and stamina gradually over time.

In general most Shiboss usually need at least 30 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 Jacks 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 Shibos has low grooming needs and is easy to maintain.

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

Pin Brush
Slicker Brush
Nail Clipper

Slicker Brush
Comb
Nail Clipper

For an average 17-24 pound (8 - 11 kg) Shibos 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 17-55 pound (8 - 25 kg) Bull Jack feed 3 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 Shibos is somewhere $1.40 - $1.70 per day.

The average cost of a Bull Jack is somewhere $1.70 - $2.00 per day.

The average per month expenses of a Shibos 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 Jack is between $49 - $63. This makes an average of $588 - $756 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.

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

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

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

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

Shiboss are averagely friendly around strangers but benefit from early socialisation.

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