Irish Jack Russell vs American Cocker Spaniel - Breed Comparison

Originating in the United States of America, the Irish Jack Russell, also known as Short Jack Russells, was bred to bring about a calmer temperament and to also have a dog with shorter legs.

Always a working dog, breeders of the Irish Jack Russell wanted to create a dog with less of a hunting instinct in him and have a dog which would be more companionable.

These Irish Jack Russells look much like your regular Jack Russell but are more of a companion dog than a hunting dog. The Irish Jack Russell doesn’t adhere to any existing Jack Russell breed standard and isn't really recognized at major dog clubs and kennels. The truth of the whole matter is that there are different kinds of Jack Russells and different names given to them to differentiate between the taller Jack Russell and the short legged one. The shorter Jack Russell Terriers are known by many names such as Irish Jack Russell and Shorty Jack Russells.

Descended from the English Cocker Spaniel when the latter were brought to the United States in the late 1800s. American hunters wanted a smaller dog for bird hunting, so they crossed them with smaller spaniel breeds. The English and the American Cockers were considered the same breed until 1935 when the American Kennel Club officially separated them into 2 distinct breeds. After this the American Cocker’s popularity increased dramatically. To this day they are one of the most popular breeds in the U.S. Recently their popularity has spread back to England. The American Cocker Spaniel has evolved from a hunting dog life to a very popular family pet.

Irish Jack Russells are small dogs standing at roughly 18 to 35cm and weighing in the region of 5 to 8kg for both males and females.

He looks much like your regular Jack Russell but he has shorter legs, and where the regular Jack Russell has an essentially white coat with orange-tan patches, the Irish Jack Russell can be solid tan or other color variations such as red, brindle, black and tan.

The coat can be short or fairly long and coarse. The Irish Jack Russell is a sturdy, compact dog with a flat skull, brown eyes and ears which are semi-erect, semi-floppy. He has a bright, alert, intelligent look on his face. The tail is set fairly high and has always been docked but these days it is inclined to be left long, taking away from the dog’s nice compact look.

Temperament:

The Irish Jack Russell is perhaps more placid than the regular Jack Russell and that is why he can adapt to life in the city or in the country. They’re intelligent dogs and therefore easy to train and have socialized.

Even though he is a small dog, training and socialization is important as he is a feisty, stubborn, know-it-all little dog. These are dogs which can become possessive of their owner and they can become quite aggressive when protecting their family. He is a highly trainable dog but it is important to have him trained as he tends to be aggressive with other dogs.

He is busy, active, happy and inquisitive and will require regular exercise to prevent him becoming restless and destructive. He has been a working terrier and he always wants to be busy.

The American Cocker spaniel is a sturdy dog of medium size. The have a rounded head with a broad and deep muzzle. The jaw is even and square while the teeth have a scissors bite. The American Cocker has round eyes that are almost always dark with the exception of the Merle who can have blue colored eyes. They have long ears and a docked tail in the U.S. Docking is illegal in most of Europe. The American Cocker bred for field hunts have shorter coats than those bred for show. Grooming is essential for this longhaired breed. It is especially important for the eyes and ears to be kept clean.

The Irish Jack Russell is a self-confident, energetic dog who will like nothing more than to be involved with everything you’re doing. The busier he is the better, and because he has strong hunting instincts you may find him digging in your garden for rats.

Have him trained and socialized if you want to avoid certain problems with him and remember to exercise him and provide him with the attention he craves.

He is a social dog and will pine away if you just leave him to get by on his own. Make sure that he becomes every bit as part of your family as everyone else and he promises to make you a loyal, devoted companion.

Favored Qualities

This is a gentle, happy dog. They are high energy, high spirited, friendly dogs who like people and other animals alike. They are happy to be with you and want to please you. He can find a home in the country and in the city alike. He is inquisitive and easy to train.

Potential Difficulties

But be warned they can be stubborn and hard to housebreak. They can be shy and need a lot of socialization as a pup. They can take over a household if you are not the strong pack leader they need. They have a tendency to urinate when excited and must live inside with the family. They are far too social to be left outside. An unhappy, unstable cocker can be into resource guarding of things, spaces and people. They can bark obsessively or be hyperactive. They must have a loving home with the family.

Your Irish Jack Russell is a dog that doesn’t battle with too many health issues, but nonetheless you still need to watch out for common health problems.

Jack Russell terriers are generally a healthy breed that can live up to 14 years of age, but still every dog is prone to the more common dog problems such as hip dysplasia, bloat, ear infections and dental disease among others.

If your Irish Jack Russell is in pain, he is lethargic and sick, don’t delay – take him to the vet right away.

Perhaps the least of the American Cocker Spaniel’s health concerns are the tendency to overeat and become obese. The more serious concerns include glaucoma, cataracts, dysplasia, allergies, Cherry eye, lip fold pyoderma, liver disease, cardiomyopathy, and congestive heart failure (CHF).

IMHA

The most serious health issue the breed faces is IMHA or Immune Mediated Hemolytic Anemia which can be deadly. In fact, it is almost always fatal and comes on quickly. With this condition the dog can bleed out internally and there is little that veterinary medicine can do.

Grooming:

The Irish Jack Russell is an average shedder with his short or longish coat which is easy to groom, requiring a brush once or twice a week. His nails grow quickly too and they can get caught on something and cause him damage. Trim your pet’s nails to prevent this.

Diet:

Feed your Irish Jack Russell good quality dog food each day. If you feed him commercially manufactured dog food, be certain to check the feeding instructions on the packaging.

He is a small dog, and overfeeding can be just as bad as under-feeding. It’s never a good idea to just go on and on feeding your pet dry or wet kibble day after day. Add in some cooked chicken, rice, pasta and vegetables as a treat and to also provide some variety for him.

Also a little bit of raw meat occasionally can do him the world of good and you’ll see the appreciation in his bright eyes and wagging tail.

Feeding puppies and adults

The American Cocker Spaniel breed requires attention to detail and making sure your puppy gets enough and your adult doesn’t get too much. Feed the pups twice a day until they reach the age of 4 months and then cut them back to the adult dose of once a day at supper time. Feed from a cup to a cup and a half.

Health Issues

not previously mentioned include Ectropion and Entropion, Prolapse of the nicititans gland, gastric torsion and elbow dysplasia. Have your puppy tested for eye diseases and any issues with the knee and hip. These are social dogs and will not do well alone outside. They need to live inside.

Exercise and games

The American Cockers love to play and need a lot of exercise. Nice long walks, games of fetch or even agility will keep your Cocker happy. have plenty of stamina and need regular exercise. They also enjoy a good hunt.