Irish Jack Russell is originated from United States but Hokkaido is originated from Japan. Irish Jack Russell may grow 16 cm / 6 inches shorter than Hokkaido. Irish Jack Russell may weigh 41 kg / 90 pounds lesser than Hokkaido. Both Irish Jack Russell and Hokkaido has almost same life span. Both Irish Jack Russell and Hokkaido has almost same litter size. Irish Jack Russell requires Low Maintenance. But Hokkaido requires Moderate Maintenance
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.
The Hokkaido breed originates in Japan and is also called Ainu-ken, Ainu dog, Seta or Do-ken. The last being its common name in Japan. It is believed that the Hokkaido is descendent from the Japanese Matagi-ken, meaning hunting dog, deer hunting dog or bear hunting dog. It was the Ainu peoples that brought the breed to Tohoku. Many years later the Yayoi people brought in another breed of hunting dogs. These breeds were in isolation for most of their existence and therefore they had little influence on the further development of other breeds.
The Ainu dog was used in searches as well as hunting and became in 1937 “a rare species in Japan that is protected by law”. At that time the Official Name of the breed was set in place as Hokkaido-Inu. But they are still called Hokkaid0-Ken by most Japanese people.
This is a very rare breed of dog. It is hardly known outside of Japan and in country there are about ten to twelve thousand remaining. Of those about nine hundred to one thousand are registered in Japan every year. It is guessed that less than thirty exist outside Japan.
The Hokkaido breed is the oldest Japanese breed of dogs. Today they are great indoor companions, loyal and friendly. Most people in Japan still call them the Ainu dog.
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.
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 Hokkaido breed is medium in size but very strong in build. Dogs bred outside Japan tend to be smaller. They have wide, deep chests, and long thick coats compared with Japanese dogs from other breeds. It is a double coat of long fur on top and short softer fur underneath for the second coat. Their ears are triangular and small while their eyes have a triangle outline. The double coat could be sesame, white, red, black, black and tan and wolf-gray.
They are an intelligent breed with an impulsive gait. They are alert, courageous and suspicious. They were used for guarding the city gates. Their skull is flat and broad and the tongue, like the chow chow, is blueish. black. With a black nose and a wedge shaped muzzle, the Hokkaido is a handsome dog. His lips are with black and tight. High set, thick tail over the back or slightly curved to the side.
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 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.
Often breeds that are isolated like the Hokkaido, have a pretty good health history but there are a few serious issues that they face.
1/3 of all dogs have it while 2/3 are carriers. This disease is congenital and there is no cure. It affects the sclera, retina and choroid. It can be mild or it can cause blindness.
Affecting joints and cause arthritis and lameness.
Floating kneecap – not as prevalent here as in smaller dogs.
Could be mild or serious. Could require a pacemaker.
Seizures of an unknown origin. Can be treated with medication not cured.
Excessive, uncontrollable urge to drink large amounts of fluid without a stimuli.
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.
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.
The puppy needs about 300 -400 calories per day in 3-4 servings per day
The adult dog needs about 250-350 calories a day to maintain good weight and health. Feed 2-3 times per day.
Strong, stamina
These dogs love exercise and definitely need it. They will get to be anxious or bored if they don’t get enough exercise. A back yard run is fine but remember that the Hokkaido is a jumper and make sure your fence is at least six feet high. They need daily walks even if you have a fenced yard. Martindale collars or harnesses are needed when walking them.
These dogs love games and competitive activities. They are good at hunting and guarding of course. There are other activities they can excel at and enjoy jogging, biking with you, and hiking. In competition they enjoy and are good at agility, flyball, lure coursing, rally, weight pull, dock diving, and obedience. They do not participate in confirmation.