Gran Mastin de Borinquen vs Glen of Imaal Terrier - Breed Comparison

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.

Hailing from Ireland and known also as the Wicklow Terrier or just Glen, the Glen of Imaal Terrier was used to get rid of rats, badgers and otters as well as being a good all-round farm dog.

Using his strength, he was good at digging into burrows to root out badgers, but unlike other terriers, he wouldn’t go on and on yapping around his prey. He isn’t an excessive barker.

The terrier was recognised by the Irish Kennel Club in 1934 and later by the American Kennel Club in 2004. The Canadian Kennel Club recognized Glens in 2017.

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.

An interesting fact with the Glen of Imaal Terrier is that this is a dwarf breed, being a big sized dog on short legs, with the front feet turning out.

A typical Glen of Imaal Terrier stands at roughly 30 – 36cm and weighs up to about 16kg. Another interesting aspect with this dog is that it can take up to 4 years to reach maturity.

The head of this muscular dog is large, the ears are half erect, and while the tail has always been traditionally docked, it is often left long. The double coat of the dog is soft with the undercoat but he has a wiry outercoat. The color of the coat is essentially wheaten, tan or blue. The coat doesn’t shed much but some Glen owners strip excess hair a few times during the years.

Temperament:

Glen of Imaal terriers are energetic, easygoing and they make splendid pets for any family. He is more than happy to give up lying around for games and activity just to lie at his owner’s feet. He is an intelligent dog too and even though he is somewhat stubborn, he responds well to training and socialization. In fact training and socialization is important for every dog breed to prevent negative behavior and to ensure your pet is obedient.

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.

The Glen of Ismaal Terrier is more docile than other terrier breeds, but that doesn’t mean he isn’t feisty. He loves to play and is an adventurous dog, always on the lookout for exciting opportunities and to chase prey.

He is a good natured pet and he gets on well with adults, children and pets in the home. He can adapt well to life in the city or in the countryside so long as he is with his family members.

He isn’t a couch potato dog though, and wherever he lives, he will need a good amount of exercising. Treat him with the love and respect he craves, and you’ll have a wonderful canine companion.

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 Glen of Imaal Terrier is a feisty, healthy breed, particularly when he gets the best food there is, then he is not likely to get ill easily.

However, just like other dogs, he can be prone to certain health conditions such as hip dysplasia. When a dog is diagnosed with hip dysplasia, the socket part of the joint is poorly developed, so that is causes abnormal friction.

Inflammation and pain can be the result and your dog can become lame. Unfortunately, rapid weight gain with puppies can put more stress on the hips, and diets without the right balance of vitamins and minerals can be bad for good bone development.

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.

Caring for a Glen of Imaal isn’t going to be a huge job. This is what makes him such a wonderful pet as he is a straightforward pet, requiring little more than a brush to avoid the hair matting.

Check his ears, teeth and nails from time to time to ensure he is always in tip top condition.

Diet:

If you intend making use of the convenience of commercially manufactured dog foods, the top quality one will provide you with balanced nutrition for your Glen and you can mix in some cooked brown rice, vegetables and chicken from time to time.

The Glen of Imaal Terrier is a small-breed dog and, he should be offered dog food that has been specially formulated for small, energetic dog breeds. You can also add in a little bit of raw meat into his kibble as a treat as this is important for keeping him free of skin allergies.

Make sure he always has a bowl of fresh, cool drinking water.