Both Hokkaido and Tosa are originated from Japan. Hokkaido may grow 31 cm / 12 inches shorter than Tosa. Hokkaido may weigh 41 kg / 90 pounds lesser than Tosa. Hokkaido may live 3 years more than Tosa. Both Hokkaido and Tosa has almost same litter size. Hokkaido requires Moderate Maintenance. But Tosa requires Low Maintenance
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.
Known also as the Japanese Mastiff, the Tosa hails from Japan. In fact, these dogs come from the Tosa Province, so the dog was named after the region where they were bred.
It is why they are sometimes referred to as Japanese Mastiffs. The Tosa is a rare dog breed and unfortunately, the dog is still used in Japan for dogfighting.
The breed was developed in the 2nd half of the 19th century, with a number of dog breeds being involved to bring about a more powerful, braver dog.
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 Tosa is a large dog, but their sizes vary, and in fact, because of their fighting, they are actually divided into light-, middleweight and heavyweight classes.
Generally, you can say that these dogs weigh in the region of 54 to 90kg and they stand in height at between 62 to 82cm. The head is large, the jaws powerful, the eyes dark brown in color, the ears small, high set and floppy.
The neck is broad wit a dewlap and the tail is long, thick and tapering to a point. The coat is short and thick and is most times a rich caramel color, fawn tan, black or brindle. The dog often has a black mask.
The Tosa is a fairly quiet dog, courageous and fearless. He is going to need a strong, consistent owner who shows leadership with him. Training and socialization will be imperative for this dog.
When he has been properly reared and trained, he makes a good pet, able to get on with members of the family. He takes his role as protector and guardian seriously.
The Tosa isn’t recommended for first-time dog owners, as in the wrong hands, they can become aggressive. Care has to be taken around children too especially undisciplined ones.
He also doesn't come as recommended for small, cramped homes in the city. He’s just too big and he will need to get out and be walked often.
You want to create a home for him that ensures he is the calm, gentle dog he is capable of being, If you’re fair, firm, caring, patient and consistent, then this big dog might be for you. With the right care he becomes a gentle, devoted pet.
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 Tosa is a formidable looking molossoid, but even so, this big, calm dog can succumb to illness. Some of these diseases you need to be looking out for include bloat,hip dyslasia and eye conditions.
Bloat for this dog can be life-threatening, and can often be because the dog is too hungry and he gobbles up his food quickly. Bloat is when gas can't escape, the stomach swells and twists – very dangerous. Rather give your dog two smaller meals – one in the morning and one in the evening, or even give several smaller portions throughout the day.
To help with eliminating health issues always choose a reputable Tosa breeder. You’re not likely to find one of these dogs in a dog shelter.
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.
These large, strong dogs do well on good quality food. If you opt to buy him commercially manufactured food, make sure it is the top quality one free of unwholesome ingredients such as preservatives, colorants and useless fillers.
Invest in the best quality ones that have nutritious minerals and vitamins. Try and give your dog some home-prepared food too – boiled chicken, brown rice or pasta, spinach, sweet-potatoes and carrots.
Never feed your dog things such as chocolates, peanuts, crisps, grapes, onion and food with spicy flavorings. This will just ensure digestive problems and having to get your dog to the vet.
The Tosa’s short coat isn’t going to require too much attention. A good brush twice a week will keep it free from loose hair and keep its shine and gleam. It’s why the dog is looked upon as being low maintenance.
Beyond that, he will need to have his nails trimmed. When brushing him, check him over for parasites – ticks and fleas, check for unusual lumps and look inside his ears for signs of redness.
These dogs are calm and fairly low-energy. Nonetheless, to maintain good health, he will need to be exercised. Ball games outside are always a good idea as well as nice long walks. Hikes into the countryside will be wonderful for this big dog.