Japanese Spitz vs Irish Jack Russell - 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.

Spitz dogs include quite a few dog breeds and these dogs all have similar characteristics – pointed, erect ears, slanted type eyes with thick fur.

The Japanese Spitz was developed by Japanese breeders at the time of the 1920s, and bringing in quite a number of dog breeds to do so. The breeders started with the white German Spitz dogs but later other white Spitz breeds were imported and crossed into this developing breed.

The final standard for the breed after World War 11 was accepted by the Japan Kennel Club. The dog became recognized by other kennel clubs of the world.

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 Japanese Spitz is a small to medium sized dog, being somewhat larger than the Pomeranian. The dog stands at 25 – 38cm, both male and female and weighs anything between 5 to 10kg.

The double coat of the dog is thick and white and the puppies look like large snowball.s He has a pointed muzzle with erect ears and a tail that curls up over the back.

Temperament:

The pure-bred Japanese Spitz, just like other Spitz dogs are smart, inquisitive dogs who show loyalty to their owners, getting on well with children in the home and making a good family pet.

They can be quite stubborn, so training and socialization becomes important if you want him to be obedient. Training is easy as he is an intelligent, bright little dog.

They’re able to adapt to life in the city or in the country, but if you live in the city, you will need to meet his exercise needs.

He can tolerate cold weather quite well but as a companion dog, he prefers being indoors with his human family.

Even though they are small dogs, they are protective and make good watchdogs. They were bred to be companion dogs and they take this role seriously, being loyal, entertaining, fun, friendly and loving with their human family.

It is why they are becoming such a popular breed as they have an amicable nature, getting on well with other pets as well as children.

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.

Your Japanese Spitz is going to make you a superb companion and you want to ensure that you are well prepared for him when he arrives. He is feisty, charming, social, bright, alert, active, loyal and loving and you want to be sure that he has everything laid on as a 4-legged family member.

He isn't a high maintenance dog, he isn't demanding and if you love and care for him, you'll find that he fills a vacancy in your life that you'll never want to be without again.

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.

Life expectancy for the Japanese Spitz is about 10–16 years. They are a healthy breed with few genetic problems. Nothing is set in stone though, and your healthy dog can fall prey to some of the many common dog illnesses there are.

They're so sweet, you're tempted to feed him treats all the time, but obesity is a common Japanese Spitz health issue and obesity can lead to many problems with the heart, kidney, diabetes and even joint pain.

Also, eye problems such as ingrown eyelashes and a lower eyelid that rolls inward are problems that are known to trouble these Spitz type dogs. It leads to terrible irritation and damage to the eye. It's definitely time to see the vet to avoid infections and injury.

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.

Exercise:

The Japanese Spitz is an active dog and he will require at least one walk a day to keep him happy. He is full of beans and wants to go with you on all your outings.

Diet:

The diet of your Japanese Spitz is basic to his good health. If you feed him low quality foods deplete of vitamins and minerals, you'll end up with a sick dog who is always at the vet. Puppies need 4 small meals a day while an adult dog can have 1 or 2 meals a day.

He can benefit from the top quality commercially manufactured foods and sometimes you can add in some cooked chicken, rice and vegetables into his dry kibble. Add in a little bit of raw meat too from time to time and ensure that he can always reach his bowl of fresh, cool water.

Grooming:

The beautiful white fur of your Japanese Spitz will need to be brushed at least twice a week to keep it free from loose hair and to keep the fur bright and vibrant.

Check his nails and avoid them getting too long as they can hook on things and cause injury. Check his ears inside and out, keeping them clean and free of debris. Very importantly, keep his teeth clean as dental disease can play havoc with a dog's health.