Border Jack (Border Collie-Jack Russell Mix) Info

Jack Russell Mix or Border Jack is a medium sized dog which was devoloped by crossing two purebred dogs, Border Collie and Jack Russell Terrier.  It is intelligent, athletic and bold by nature. The dog has a moderate width and a strong muzzle with a well defined black nose and dark almond-shaped eyes. The ears of the dog are variable. Some dogs have floppy ears, and some have erect ears. The feet can be round or oval with moderately arched toes that point forward. They are exceptionally intelligent and are very loyal towards their masters.

Temperament and Behavior

The Border Jacks come with a natural hunting heritage. This hereditary quality makes these dogs lively, smart, fearless, and vocal dogs with excellent working capability. On getting proper training, this loving, amusing and devoted dogs can become excellent family pets. The full-grown dogs can easily become appropriate running partners of their masters. These dogs are always eager to run along with keeping the pace and never complains about it.  They might be friendly with the humans, abusive or harsh behavior are not tolerated by them. The unruly attitude can be overwhelming for the kids. Their interaction with the children under should be done with adult supervision. They are extremely intolerant towards other and dogs and might go the extent of quarreling with larger dogs.

Border Jack

Quick Information

Other names Border Collie-Jack Russell Terrier Mix
Coat Short, dense, smooth/coarse, double layer; fringes of hair may appear on the chest, legs, and haunches
Color White, merle, tricolor, brindle, brown, blue, black, brown and white, black and white
Breed Type Crossbreed
Group of Breed Terrier, Herding/Working
Lifespan 12-15 years
Weight 22-31 lbs
Size/Height Medium; about 15-20 inches
Shedding Moderate
Temperament Courageous, loyal, playful
Hypoallergenic No
Size of Litter 4-8 puppies
Good with Children An affectionate playmate for active older children
Barking Occasional
Country Originated in USA
Competitive Registration/Qualification Information DRA




It is a highly energetic dog and requires minimum 30 to 40 of extensive physical activities to fulfill its exercise requirements.  Border Jack has an inclination of scamping, jumping, playing and fetching. They love to run and can be a perfect running companion of their masters. They can do well in apartment life provided you give ample of exercise opportunities. The dogs can adapt to any climate, be it urban or rural environments. The Border Jack might need some extra protection in cold weather. A house with a fenced yard will be great for these dogs.


You should brush the dog's coat every week for removing the loose and dead hairs. Regular bathing of the dog is not required. The rough or broken coats of the dog should be stripped twice a year. To prevent bad breath and tartar buildup, brush its teeth 2-3 times a week.

Health issues

The common health issues that can affect the Border Jack dogs are allergies, deafness, glaucoma, patellar luxation, leg-calve-Perthes diseases, progressive retinal atrophy, epilepsy, and hip dysplasia.


Border Jack can be stubborn at times, and training these dogs can be quite challenging for any timid or inexperienced dog owners. To train them, the trainer should be strong-willed and must keep the training session consistent, fair and firm.

To keep a check on the Border Jack's aggressive behavior against other canines, start working on socializing the dogs right from their puppy age. The experienced owners should only make the puppies interact with the new places, people, and objects.

It will help the puppies to sense their owner's reaction, and you will be able to show them how you enjoy meeting new people or dogs.

You can start at home with the Flyball Training session to teach your dog to retrieve a ball. It is an excellent game for dogs who love to chase the rolling ball. Wait for the ball to stop rolling and release your dog to fetch the ball after the ball stops moving. Give the dog rewards and praises in the form of treats everytime it brings the ball to you.

Diet and Feeding

Include high protein food in the diet of your Border Jack dog. The recommended amount of dry food is 1.5 to 2 cups per day, twice.

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