Dogster is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no cost to you. Learn more.

Bull-Jack (Bulldog & Jack Russell Mix): Info, Pictures, Care & More!

Written by: Nicole Cosgrove

Last Updated on March 22, 2024 by Nicole Cosgrove

Bull-Jack (Bulldog & Jack Russell Mix): Info, Pictures, Care & More!

The Bull Jack is a designer dog breed that was developed by breeding a Bulldog with a Jack Russell Terrier. Compact and cute, this designer dog is loaded with personality. Despite being a spunky pup, the Bull Jack can thrive in an apartment setting if given enough daily exercise.

Breed Overview


12 – 14 inches


17 – 50 pounds


10 – 12 years


White, black, brown

Suitable for:

Experienced dog owners, apartment dwellers, singles, families with small children


Stubborn, spirited, loyal & loving, friendly, emotionally dependent

Generally good with young children and other pets, the Bull Jack is best suited for the experienced dog parent. He can be stubborn and requires consistent and firm training.

If you’re thinking about adding a Bull Jack to your family, here is everything you need to know about caring for this special pooch.

High-energy dogs will need a lot of mental and physical stimulation to stay happy and healthy, while low-energy dogs require minimal physical activity. It’s important when choosing a dog to make sure their energy levels match your lifestyle or vice versa.
Easy-to-train dogs are more skilled at learning prompts and actions quickly with minimal training. Dogs that are harder to train will require a bit more patience and practice.
Some breeds, due to their size or their breeds potential genetic health issues, have shorter lifespans than others. Proper exercise, nutrition, and hygiene also play an important role in the lifespan of your pet.
Some dog breeds are prone to certain genetic health problems, and some more than others. This doesn’t mean that every dog will have these issues, but they have an increased risk, so it’s important to understand and prepare for any additional needs they may require.
Some dog breeds are more social than others, both towards humans and other dogs. More social dogs have a tendency to run up to strangers for pets and scratches, while less social dogs shy away and are more cautious, even potentially aggressive. No matter the breed, it’s important to socialize your dog and expose them to lots of different situations.


Bull Jack Puppies

Thanks to his Jack Russell parent breed, the Bull Jack is a high-energy hybrid dog. As such, he will need large doses of daily exercise. Folks that aren’t active or unable to walk and play with their pet every day should consider getting a different dog.

This dog is also super social and needs tons of love and affection from his owner. He can develop a strong bond with one member of the household to the point of obsession. Because of his need for attention, the Bull Jack cannot be left by himself for long stretches of time. This can lead to separation anxiety, boredom, and loneliness. Dogs with separation anxiety often resort to destructive and unwanted behaviors.

It’s important to take these two factors into consideration before you buy a Bull Jack. Can you dedicate enough time to exercise and interact with your dog? If not, this breed isn’t the right one for you.

Parent_breeds_Bull Jack
Photo Credit: Left-  Daniel Borker, Pixabay | Right – balazmio, Pixabay

Temperament & Intelligence of the Bull Jack

The Bull Jack can inherit any combination of personality traits from his English Bulldog and Jack Russell’s parents. He can be calm, playful, willful, watchful, active, and needy. Every Bull Jack is unique and will come with its own set of special characteristics.

Are These Dogs Good for Families?

The Bull Jack is a good family dog for active households. He loves being the center of attention and enjoys interacting with everyone in the family. Some Bull Jacks can be on the larger side and need to be watched when they’re playing with tiny tots. Their huge frame can easily injure a small child.

Early socialization and training are key to guaranteeing your Bull Jack gets along with your kids. Additionally, it’s important to teach your children how to properly engage with a dog. They should never attempt to take the dog’s food or toys away.

Does This Breed Get Along with Other Pets?

The Bull Jack can thrive in a multi-pet household. He loves playing with other dogs. Due to the Jack Russell parent breed’s high prey drive, your Bull Jack may want to chase smaller pets, such as cats and rabbits. Keep a close eye on your dog when he’s playing with other pets.

Things to Know When Owning a Bull Jack:

Bull Jacks are special dogs that require special care. Before you buy one, educate yourself on this hybrid dog’s care needs.

Food & Diet Requirements

The Bull Jack is a medium-sized dog with a lot of energy. He’ll need a protein-packed, high-quality kibble that caters to his size and energy levels. Feed your dog three cups of premium kibble divided into two meals every day. Be sure to never overfeed your Bull Jack as this designer breed is prone to obesity.


Bull Jacks need lots of exercise. Aim to give yours at least 60 minutes of intense exercise every day. A good rule of thumb is to walk your Bull Jack 12 miles every week. You can also let him run and romp in the yard. If you work long hours, consider enrolling your Bull Jack in doggy daycare or hiring a daily dog walker.

This breed can easily suffer from heatstroke so never leave your Bull Jack out for too long during the hot summer months. Always provide him with plenty of fresh water.


The Bull Jack is a smart but stubborn dog. He can easily learn simple commands and tricks. Due to his willful nature, Bull Jacks are not the best dogs for inexperienced dog owners. He will require calm and consistent training for his entire life. Enrolling your Bull Jack in an obedience class as a puppy is a smart decision.

Grooming ✂️

The Bull Jack is a low-maintenance dog when it comes to his grooming needs. He sheds in low to moderate amounts and will need brushing during this time to remove dead hair and dander. Don’t bathe this dog too often as it will negatively impact his skin’s natural oils. Clip his nails when they get too long, staying away from the pink quick. Routinely check his ears and clean them if needed.

Health and Conditions

The Bull Jack is prone to certain health conditions. Routine vet visits are essential to keep your pet healthy. Eye problems can be common in this hybrid breed. So can skin issues, deafness, and hip dysplasia. This is why it’s so important to buy a Bull Jack puppy from a responsible breeder to bypass genetic health problems.

Minor Conditions
  • Cherry eye
  • Heart murmur
  • Mass cell tumor
Serious Conditions
  • Hip dysplasia
  • Hemolytic anemia
  • Patellar luxation
  • Glaucoma
  • Epilepsy

Male vs Female

The male Bull Jack will be larger than a female one. Both genders generally are energetic and kind.

divider-dog paw

3 Little-Known Facts About the Bull Jack

1. They’re Energetic

Despite the English Bulldog’s reputation for being quite the couch potato, Bull Jacks are actually high-energy dogs. This is due to their Jack Russell parent breed.

2. Their Bulldog Parent Breed is Centuries Old

The Bull Jack’s Bulldog parent breed was developed in England during the 13th century, making it one of the oldest dog breeds in the world.

3. The Jack Russell Loves to Work

Your Bull Jack may always need a job to do. This is because his Jack Russell parent breed is a working dog. Bred for fox hunting in the early 19th century, Jack Russells love being occupied by challenging tasks.


Final Thoughts

If you’re looking for an outstanding designer dog to add to your household, consider getting a Bull Jack! This dog does best in active households with large backyards. He is not well suited for first-time owners. The Bull Jack needs a lot of love and affection and shouldn’t be left alone for long periods of time. Early and ongoing training and socialization are key to a well-mannered dog.

Consider adding a Bull Jack to your family today!

Featured Image Credit: Pixabay

Get Dogster in your inbox!

Stay informed! Get tips and exclusive deals.
Dogster Editors Choice Badge
Shopping Cart


© Pangolia Pte. Ltd. All rights reserved.