Ryukyu Inu vs Gran Mastin de Borinquen - Breed Comparison

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 Gran Mastín de Borinquen is also referred to as the Puerto Rican Mastiff or the Mastín Borincano and is actually native to Puerto Rico.

The dog seems to have originated long ago already during the 16th century. Its a dog that descends from a number of dogs, and the dog from these crosses became a huge, ferocious dog.

For centuries the Gran Mastin de Borinquen was used to protect the estates of the Spanish nobility. Today the breed is considered rare and it isn't recognized by any major kennel club as a standardized breed.

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.

Temperament:

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 Gran Mastin de Borinquen is a large dog. He stands roughly between 56 and 71cm and weighs in at between 41 and 68kg.

He is well muscled with a large head and short floppy ears but until recently the ears have always been cropped. The nose is black, the eyes dark brown and small and he has an alert, intelligent look to him.

These days the tail is kept long and it is held low. The coat is short in length and harsh with the colour being fawn, black, cream or brindle. You'll also find some small inclusions of white on the coat.

Temperament:

Loyal and protective, the Gran Mastin de Borinquen forms a strong bond with his master, becoming aggressive with any stranger who comes too close to his owner.Its a dog that has been taught to be aggressive so he isn't the best pet to choose if you have children in the home. He isn't the best dog either for first time dog owners, particularly if the person isn't a strong, firm person around him, showing who is boss.

However there are people who have had their pet trained and socialized and who claim he makes a wonderful family pet. The way a dog is brought up can play a large role in the way he turns out.

Train and socialize your Gran Mastin de Borinquen because he is inclined to be strong-willed and for a large, aggressive type of dog, you want him to be obeying you.

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.

Noble, courageous and loyal, a trained, socialized Gran Mastin de Borinquen who has learned simple commands such as sit, down, come, stay, lie-down and heel will be an absolute pleasure to have around and be a well behaved, obedient companion for you.

Your Gran Masin is a dignified, loving animal, but because of his size and his origin, bred to be aggressive, he isn’t looked upon as the first choice when you’ve got small children in the home. With the right owner – fair, firm and loving - he makes a splendid pet.

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.

Cataract:

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.

Your Gran Mastin de Borinquen can get to 12 years of age with good care. Mastiff-type dogs like this can be prone to eye problems as well as having to tackle joint problems such as hip dysplasia.

Other issues that can appear in this breed, but are unlikely be cancer, bloat, hypothyroidism and von Willebrand’s Disease which is a bleeding disorder.

Remember to do daily inspections of your Gran Mastin de Borinquen for fleas and ticks, particularly during the Summer month. Toxins introduced into the body by a tick bite for instance can make your pet seriously ill so that veterinary intervention is required.

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.

Grooming:

The Gran Mastin de Borinquen, with his short coat, is a relatively low maintenance breed. Brush him at least twice a week to keep the coat free of loose hairs. Other grooming requirements are keeping his ears clean and dry. You can ask about alcohol wipes at your local pet shop to use in his ears. Check the nails too and remember to brush his teeth a couple of times a week to avoid dental decay.

Exercise:

You won't find the Gran Mastin de Borinquen being a particularly high energy dog but he also isn't a couch potato. If you enjoy a walk every day for your own good health, include him in these walks and give him a game of ball every now and again.

Diet:

This Mastiff -type dog is large, and they tend to be fairly lazy, not using up great deals of energy. Young dogs however use up more energy and will require a diet with good quality protein.

Dogs that have been spayed or neutered as well as senior dogs will require less calories. If you buy commercially manufactured food, check the labels carefully and buy high quality food for a large breed.

Don't just feed your Gran Mastin kibble everyday but alternate it sometimes, mixing in some raw meat into his kibble or mixing in some cooked chicken, rice and vegetables.