American Bulldog is originated from United States but Ryukyu Inu is originated from Japan. American Bulldog may grow 20 cm / 8 inches higher than Ryukyu Inu. American Bulldog may weigh 29 kg / 64 pounds more than Ryukyu Inu. American Bulldog may live 4 years more than Ryukyu Inu. American Bulldog may have more litter size than Ryukyu Inu. Both American Bulldog and Ryukyu Inu requires Low Maintenance.
Following World War II, the American Bulldog was almost extinct.
Thanks to John D. Johnson from Summerville, Georgia the breed is still with us today. He gathered the best dogs he could find throughout the rural South and bred them back into popularity among his family and other rural families. His father bred the American Bulldog before John did and they have bred them longer than any other in any part of the world. His dogs were regularly used for tracking, hunting, guarding, watchdog and weight pulling. At some point Alan Scott joined Johnson breeding other bulldogs to Johnson's and forming the Standard American Bulldog.
The American Bulldog/ is popular today as a family pet and companion as well as a working dog.
The Ryukyu Inu is a medium-sized dog that comes from Okinawa, Japan.
It’s a dog that is fairly rare having been used to track boar. There isn’t much information on the dog’s history but after its numbers declined after World War II, there was an urge in the 1980s to save the breed.
The dog isn’t recognized by any major Kennel Clubs.
The American Bulldog is a powerful and muscular dog in a sturdy and compact frame. The female is more refined than the heavy boned and stocky male, but both genders are athletic, agile and quick. The have large heads, strong jaws, a muscular neck and with a moderately deep and wide chest.
They have a square head, with muscular cheeks and a clearly defined furrow between his eyes. With broad, square and strong muzzles, they have a reverse scissors, scissors, moderate underbite and an even bite. Ears come in a variety of shapes and sizes and eyes can be any color as well. The nose however should be black and lips black as well. Their legs are strong, heavy boned and straight with well-defined muscles in the hindquarters. Finally ,they have a thick, low set tail that comes to a point at the end.
Japanese dog breeds end with the word ‘Inu’ or ‘Ken’ . It means ‘dog’.
The medium sized Ryukyu Inu stands at between 46 to 50cm in height and weighs between 15 to 25kg. He has a black nose, dark brown eyes and erect ears. The tail is long and curls over the back.
The dog’s coat is short and you get the single- and double coated varieties. The coat can be brindle, red, white, liver or black. Some of the dogs have tiger-like stripes in the coat. People are amazed at these dogs as they have incredible climbing abilities and are even capable of climbing a tree.
These dogs are quiet, unobtrusive dogs. The Ryukyu Inu looks very much like a wild dog, which gives the impression of being un-trainable and ferocious but they are easily trained and make splendid pets.
Many people who have had them as pets say they would choose this dog over and over again. They are brave too and get on well with children or pets in the home. They don’t look for trouble, and their kind, stable natures make them excellent therapy dogs.
They’re intelligent dogs and will require plenty of mental and physical stimulation. They will also need to be trained and socialized as they are confident, strong-willed dogs who might not obey you if left to do what they want.
The American Bulldog is characteristically loyal, brave and reliable. It is a friendly, gentle dog that truly loves children. There is not a hostile bone in his body despite his history and reputation for bull baiting. Though he is protective of its family and affectionate with most, he still needs a human companion who is strong willed and a genuine pack leader. Without this he might become aggressive around other dogs and pets. They are immensely self-confident and they do slobber and drool and will become excited and hard to handle without daily exercise of both their body and their minds.
This dog has always been a hunting dog so he will want to have his fair share of good exercise – long walks as well as ball and rope games.
He makes a splendid pet because he has an amicable nature wanting to please. He is quiet, loving and loyal, and with such a dog in your home and heart, you just keep discovering what a wonderful pet this 4-legged friend can be.
Though generally healthy, the American Bulldog is prone to a few problems.
This is a serious issue in many breeds of dogs and is especially prevalent with the American Bull Dog. This may seem ironic in such a short legged dog but it is unfortunately very common. It is a genetic disorder that causes the bones in the joint to separate and causes the dog much pain and lameness.
Due to skin folds you need to be care and watch for irritation and infection in the folds. They are also prone to ear infections.
The American Bulldog is prone to overeating and all the health issues that presents. With short legs and a genetic predisposition to arthritis and hip dysplasia, obesity is a real health risk for your bulldog.
These Japanese dogs are thought to be fairly healthy dogs, but like with most other dogs, you would need to be aware of hip dysplasia, bloat, caner and hypothyroidism.
The Ryukyu Inu, with its 10 to 12 years lifespan, will be prone to minor ailments, but with good care he is not likely to succumb to any of them.
Cataracts have a number of causes in dogs. This disease of the eye can occur at any age, and can develop over weeks or even years.
Cataracts can occur in just one eye or both eyes and a disease such as diabetes can bring on a cataract.
Good nutrition is important for a dog to build a strong immune system, and nutritional supplementation can certainly help to enhance lens health. Cataract surgery can be performed to remove the cataracts.
The coat of the Ryukya Inu requires brushing twice a week to remove loose hairs. At the same time check your dog over for new lumps and check inside his mouth for bad teeth. Bad teeth can cause lots of pain and toxins within the body. You can also choose to have the teeth seen to and cleaned by your vet.
Provide him with his own warm, dry place to sleep.
Provide him with top quality food. There are some excellent commercially manufactured foods on the market that make a point of ensuring good ingredients in them. Your Ryukya Inu needs good food to ensure longevity and health.
Try to include some home-made food for him which can be simply mixed into the dry kibble twice a week. Boiled chicken, brown rice or pasta and spinach, sweet potatoes and carrots is super tasty and nutritious. This food can all be chopped up, refrigerated and added warmed up and in small portions to your pets dry kibble once or twice a week. Your dog will love it.
Ensure there is always a bowl of fresh, cool water within his reach.
Have him neutered or spayed if you aren’t wanting puppies.
Keep his vaccines up to date against some deadly canine diseases.
Get him to the vet when he is injured, in pain or sick.