The cojack is a relatively new dog breed. The first recorded litter was born in Virginia, United States in the early 1990s at a kennel called Double D Farm. The owner of the farm, Deborah Dobson, bred a Corgi with a Jack Russell Terrier and the result was six adorable puppies. The cojack quickly gained popularity, and today they are recognized by several major kennel clubs, including the American Kennel Club. Dog owners all over the world loved them and since then, they have become increasingly popular as pets.


Cojacks are a cross between a Corgi and a Jack Russell Terrier. They are typically 50/50 Corgi and Jack Russell, but there can be a bit of variation in their appearance. Cojacks tend to have short legs, pointy ears, and a long tail. They come in all colors and patterns, but the most common coat is white with black markings.


When it comes to size, cojacks are usually somewhere in between their Welsh corgi and Jack Russell terrier parents. They typically weigh between 20 and 30 pounds, and they’re usually around a foot tall at the shoulder. However, there is some variation in size, so some individuals may be larger or smaller than that.


Cojacks are known for being playful and loving. They make great pets for families with children. Cojacks are also very active and need plenty of exercise each day. If they don’t get enough exercise, they can become destructive or hyperactive. They are also known to be very intelligent. This means they can be easy to train if you put in the time and effort. They learn commands quickly and enjoy doing tricks.

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Like all dogs, cojacks require regular brushing and bathing. They also need to be groomed to keep their coat in good condition, but no more than any other dog. They might not the best choice for people who live in apartments or condos, as they require a lot of space to run around and play. In terms of food, cojacks do best on high-quality dry food. Be sure to avoid foods that are high in sugar or fat, as this can cause weight gain and health problems.


Unfortunately, due to their mixed heritage, cojacks are prone to some health problems, eben though they’re elatively healthy for a mixed breed.

  • The most common health issues seen in Cojacks are obesity. Obesity can lead to a number of other health problems, such as arthritis, diabetes, and heart disease.
  • Another issue you should be watching for is Patellar Luxation, a condition in which the kneecap pops out of place. This happens when the muscles and ligaments around the kneecap are too loose. If your Cojack is overweight, it puts extra strain on their knees and can make Patellar Luxation more likely to occur.
  • Cojacks are also susceptible to eye problems such as Progressive Retinal Atrophy and cataracts. It’s important to get your cojack checked by a veterinarian regularly, especially if you’re considering breeding him or her.

If you think your cojack may be overweight, talk to your veterinarian about the best weight-loss plan for them. And if you notice any signs of Patellar Luxation, such as limping or unwillingness to run and play, take them to the vet right away. With proper care, your cojack will enjoy a long and healthy life!

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Cojack Lifespan

The average lifespan of a cojack is 12-15 years. This is shorter than both the Pembroke Welsh corgi (12-13 years) and the Jack Russell terrier (14-16 years), but it’s still considered to be a good lifespan for a dog.

Cojack’s Parents

Welsh Corgi

Welsh corgis come in two varieties: the Pembroke Welsh corgi and the Cardigan Welsh corgi. The former are the more common of the two, and they’re also slightly smaller. They have pointy ears and a docked tail. Cardigan Welsh corgis are less common, but they’re not necessarily rare. They’re slightly larger than Pembrokes and have rounded ears and a long tail.

Jack Russel Terrier

The Jack Russell terrier is a small breed of dog that was originally bred for fox hunting in England. They’re known for being very active and energetic, as well as intelligent and easy to train. Jack Russells come in two varieties: short-legged and long-legged. Short-legged Jack Russells are also known as “stumpy tail” or “piebald”. They’re the more common of the two, and they’re also slightly smaller. Long-legged Jack Russells are also known as “tall” or “English”. They’re less common, but they’re not necessarily rare.

Cost of Cojack Puppies

The average cost of a cojack puppy is around $600, but prices can vary depending on the breeder. For example, if you buy a puppy from a breeder who specializes in cojacks, the price will be higher than if you get one from a general breeder.

Should You Get a Cojack?

Cojack is a lovely dog breed that is perfect for active families with children. They are very intelligent and can be easily trained to follow commands, plus they come in different colors and patterns. However, they are prone to some health problems, which is why breeding them is not recommended. If you are thinking of getting a cojack puppy, be sure to do your research first! If you’re looking for a fun-loving and affectionate dog breed, then it might be just the dog for you. They make great pets for active families and only require minimal grooming. So, what are you waiting for? Go out and find yourself a cojack today!

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Image source: mary jane watson @ Flickr, CC BY 2.0

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