Cojack

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18-28 lbs
10-13"
​United States
Jack Russell Terrier
Pembroke Welsh Corgi
Welsh Cojack, Cacki, Corki

The Cojack is a mix between the Pembroke Welsh Corgi, or the Corgi for short, and the Jack Russell Terrier. This is a medium sized dog with large pointy ears, gorgeous almond-shaped eyes that are full of life, stout little legs, and a longer straight tail. All of these traits are an excellent combination of multiple parts of each parent breed. Just like any dog, the Cojack’s personality can vary quite a lot from dog to dog, but for the most part, he is a great balance between the Corgi and the Jack Russel. Energetic, lively, fun loving, friendly, intelligent, and loyal the Cojack is an easy dog to train and absolutely loves being with his family. In fact, long periods of time alone are very difficult for this little dog to swallow. While he isn’t a big barker, the Cojack may very well bark every once in a while to alert you to something or someone new. If you are looking for a pet that makes an excellent companion who is upbeat but can still appreciate a good chill and cuddle time, then the Cojack may be the perfect breed for you.

Purpose
​Companion
Date of Origin
​Unknown
Ancestry
​Pembroke Welsh Corgi, Jack Russell Terrier

Cojack Health

Average Size
Height: 10-13 inches Weight: 18-28 lbs
Height: 10-13 inches Weight: 18-28 lbs
Major Concerns
  • Patellar Luxation
  • Deafness
  • Cardiomyopathy
  • Patent Ductus Arteriosus
Minor Concerns
  • Familial Nephropathy
  • Cleft Palate
  • Intervertebral Disc Disease
  • Persistent Pupillary Membrane
  • Diabetes
  • Tracheal Collapse
  • Eye Problems
  • Von Willebrand's Disease
  • Cutaneous Asthenia
  • Hemivertebrae
  • Degenerative Myelopathy
  • Mitral Valve Disease
  • Hypothyroidism
Occasional Diagnoses
  • Progressive Retinal Atrophy
  • Epilepsy
Occasional Tests
  • Hip X-Rays
  • Dna For Vwd
  • Physical Examination
  • Eye Examinations
  • Complete Blood Work

Cojack Breed History

Because the Cojack is a new hybrid breed, there hasn’t been a lot of time to get a full history on them. However, we can get some idea of what this dog may develop into based on the information that we have on his parent breeds; the Pembroke Welsh Corgi and the Jack Russell Terrier. First, the Pembroke Welsh Corgi is one of the most agreeable little house dogs and it isn’t hard to see why he is so loved. From tall erect ears and bright intelligent eyes, to adorable little legs, the Welsh Corgi will never cease to bring a smile to your face. This adorable breed originated in Wales somewhere around 1,000 years ago. It was believed that the Corgi were a gift from the fairies, who were though to ride them around like horses back in the ancient times. That’s why the breed seems to have “saddle marks” on their back and “harness marks” behind their shoulders. While this story may not be true, it definitely adds to the breed's charm! The Pembroke Welsh Corgi first became well known in the courts of King George VI or Britain in the year 1933 when he presented a puppy as a gift to his two daughters. The Corgi then went on to be registered by the American Kennel Club in the year 1934 and to this day their popularity holds firm. They are used for show and as wonderful family companion dogs. The Jack Russell Terrier certainly doesn’t fall short in the adorable, smile inducing category either. His playful disposition and ever erect stub tail pairs well with the lively light in his large dark eyes. These dogs were first created in the 1800’s when an Oxford student, Jack Russell, fell in love with a Terrier. As an avid fox-hunter, Jack used his Terrier to develop a Fox Terrier line that was known for its ever-present desire to follow foxes and from there, the rest is history. A club in America specific to the Jack Russell Terrier developed quickly and it wasn’t long after that the American Kennel Club decided to recognize the breed; this didn’t settle well with the American fans of the breed, however, as they had strict standards already developed within their own group. This breed is used for all kind of events including shows, working class events, and of course, as companion dogs.

Cojack Breed Appearance

Despite being a hybrid breed, the Cojack seems to do a very good job of sticking to one similar type of appearance. He is a medium sized dog with short, yet stout legs, that hold his long body strongly. The Cojack takes on the Corgi ears, which stand tall and erect, allowing the almond-shaped dark brown eyes to be very visible on the face. A few versions of this breed may end up taking after the Jack Russell Terrier in the way that their ears may bow a little bit at the top, or fold over completely depending on how strong the gene is. No matter which version of the Cojack you get, they are adorable all the way around! Their fur is short and smooth, lying close to the body, but may have a slightly rough texture to it. The fur can come in a number of different colors and marking, but do tend to adopt looks from both parent breed; either patched colored sections like the Jack Russell or the trademark saddle shape and white blaze on the forehead like the Corgi.

Eye Color Possibilities
Brown
Nose Color Possibilities
Black
Coat Color Possibilities
Brown
Black
White
Red
Pied
Coat Length
Short Medium Long
Coat Density
Sparse Normal Dense
Coat Texture
Straight Wiry Wavy Curly Corded

Cojack Breed Maintenance

The Cojack is a very low maintenance type of dog. His short fur tends to shed very little and will only need brushing perhaps one to two times a week just to keep it free of dirt and shiny. While this breed doesn’t shed very often, he does shed a little so he isn’t completely hypoallergenic; however, this would be a great choice of dog for someone who just has mild allergies that aren’t too affected by small amounts of loose hair. Bathing only needs to occur every few months or if your dog gets especially dirty as the Cojack does not have a bad doggy smell. If you have a Cojack with folded ears, be sure to dry them thoroughly after bathing or swimming to avoid any trapped moisture leading to ear infections. Besides bathing and brushing, basic care would be to trim your dog’s nails every few weeks or when you here the nails clicking against the floor. This will keep the paws healthy and snag free. Due to his shorter coat, the Cojack tends to prefer warmer weather and doesn’t overheat too quickly.

Brushes for Cojack
Slicker Brush
Comb
Nail Clipper
Brushing Frequency
Daily Weekly Monthly

Cojack Temperament

With parents like the Jack Russell Terrier and the Corgi, there is no doubt that the Cojack is going to be a friendly, energetic, and intelligent hybrid breed. While these dogs were both intended to be companion animals, the Jack Russell is indeed a terrier, so he has that herding desire deep within his bones. This trait may pass on to the Cojack, but it will most likely just reveal itself in a lot of energy that can easily be diverted into play or training. Both parent breeds of the Cojack are easy to train and eager to please, so training your dog shouldn’t be too much of a struggle. It is important to start early with training and socialization so that any protective tendencies or bad manners can be diverted early on. The Cojack won’t tend to bark often, but he may alert you to a new person or strange situation if there is a need. This is a great dog for any sized home, as long as there is some way for him to get exercise, and he does wonderfully with families that may have small children or other pets.

Cojack Activity Requirements

Because the Cojack is a breed that has fairly active parent breeds, there will need to be a moderate amount of activity opportunities for him throughout the day. A couple of really good play session or training should be enough to wear him out both mentally and physically. The nice thing about this breed is that, while the Cojack is energetic, he also can be a couch potato; which means plenty of snuggle time! Great ways to interact with your dog and get him so good exercise would be a long walk, a quick jog, playing at the park, a game of fetch, or training. Just 45 minutes to an hour should be plenty a couple times a day to keep the Cojack happy and healthy. Just be sure to spend some of that play time training, as it keeps the dog well behaved and tired out mentally. The Cojack does not bark often and won’t tend to bark frequently even if he is all wound up. This makes him a great dog for in the city or the country; whatever you prefer.

Activity Level
Low Medium High
Rec. Walk Mileage Per Week
9 miles
Minutes of Activity Per Day
60 minutes

Cojack Food Consumption

Cups Per Day
3 cups
Daily Cost
$1.2 - $1.4
Monthly Cost
$35 - $45

Cojack Owner Experiences

Paddy
12 Years
2 People
House & Yard
Health
Grooming
Friendliness
Energy
Trainability
Pastimes
Running
Walking
A wonderful rescue dog who chose us. He is mostly happy but has severe skin problems. He is covered in various cysts some loook like blackberries.He has a large fHatty lump on his left side below hisshoulder. He is stone deaf and both eyeshave large cataracts. He has to take antihistamines daily. As well as cysts Paddy has what looks like black tar on his skin His depth perception is poor. He seems to have a problem with right hip jointand his lower legs are just bone. He is a very fussy eater I am worried about his future when he will have a dark silent world. We could get one cataract fixed but are not sure he is up to the op
2 months, 4 weeks ago
Cupcake
8 Years
5 People
House & Yard
Health
Grooming
Friendliness
Energy
Trainability
Pastimes
Incredible dog. Perfect companion, perfect size, easily trained, very smart and huge personality. She lives her life to make her family happy . . . and to eat!
1 month, 3 weeks ago
Baxter
2 Years
4 People
Apartment
Health
Grooming
Friendliness
Energy
Trainability
Pastimes
Our Cojack came to us through a rescue group in MN. He is a tripod due to abuse. We consider ourselves very lucky to have found him. He rarely barks and we have had a fairly easy time training him. Some separation anxiety like the article mentioned. He is always waiting at the door for our return. He has been a wonderful addition to our family.
1 month, 2 weeks ago
Reggie
1 Year
4 People
House & Yard
Health
Grooming
Friendliness
Energy
Trainability
Pastimes
Walks
Walk
We love our little fur boy,although he can be a challenge at times! We definitely have to spend a lot of time training and working on appropriate doggie manners. He is very eager to please us,loves his training treats but has a tendency to show aggression and is very possessive of "his" belongings-toys,bed and food. We are constantly working on his aggressive nature and it's a slow process with slow progress. He's alright with our young daughter but I wouldn't recommend young children with this breed,sadly. A very picky eater who prefers wet diet over a dry diet. He's very,very affectionate and prefers being a lap dog with your hands constantly moving in petting motion. I've never seen so much energy in a dog!! He sure can run and run and he loves to run and play. Toys are a must with our boy! He loves bones, and anything that squeaks. He can be destructive,chewing many things to shreds, but never his toys!! We love our boy,even if he challenges us from time to time. He is a great dog and keeps us active.
1 month, 1 week ago
Rosie
3 Years
2 People
House & Yard
Health
Grooming
Friendliness
Energy
Trainability
Pastimes
walk, play ball
Rosie came to us here in Massachusetts as a rescue from South Carolina. She is very smart and also a bit stubborn. She loves chasing squirrels and birds. When walking she always has her nose to the ground, finding and following scent trails. At night she jumps into the bed and burrows under the comforter and stays there until late morning. She is standoffish to strangers, but friendly to those she knows. All in all, she is a funny and very sweet dog. And so-o cute!
5 days, 12 hours ago
Book me a walkiee?
Pweeeze!