Spanish Mastiff vs American Hairless Terrier - Breed Comparison

Derived from the Rat Terrier, the American Hairless Terrier was born in a litter of Rat Terriers in 1972.

The evolution of this breed is very different from other hairless breeds. The American Hairless Terrier was independently developed when a hairless pup was produced in a litter of normal Rat Terriers. The owners of this pup, Edwin and Willie Scott attempted to breed her to other Rat terriers but were not successful in having another hairless pup until years later. Then they had a litter with one male and one female hairless puppy.

From that point on they worked with a veterinarian and a geneticist to develop the breed until it was accepted as a separate breed from the Rat Terrier in 2004 and accepted into the AKC in 2016.

The breed is very rare and with hairless dogs breeding only produces about two thirds of the litter as hairless and one third as coated. If a hairless is bred to a coated terrier, the chances of getting hairless puppies are 50% hairless and 50% coated. It is very rare to get a hairless when breed two coated terriers. The difference between the American Hairless Terrier and other hairless breeds is that the hairless gene in most breed is a lethal dominant gene, but in the AHT it is a recessive gene.

The Spanish Mastiff is a giant breed that comes from Spain. He has always been a guardian dog.

He is an ancient dog breed, in fact dating back to medieval times. He has always been a guardian of livestock, protecting them from attacks from wolves and other predators.

The first breed standard of this pure breed dog was made by the FCI in 1946. A breeding program was also formed for this dog In 1981.

The dog was recognized by the United Kennel Club in July 2006.

The American Hairless Terrier is similar to it’s breed of origin, the Rat Terrier, and the coated AHT looks very much like a Rat Terrier. They are small to medium in size, very muscular and have more refined features than the Rat Terrier. Their round eyes can be a variety of colors including amber, brown, grey, turquoise and blue. The tail is not docked but rather long and thin.

The AHT might have eyebrows and whiskers or they might only have whiskers. Their head is broad, and wedge shaped with upright ears. They are an energetic, social and intelligent dog.

The Spanish Mastiff weighs between 52 and 100kg and the dog’s height is between 72 and 88cm. He has a thick, heavy coat with rustic colors of fawn, black, grey, reddish and yellow as well as brindle.

He is powerful and muscular with a huge head. The ears are medium length and floppy and the tail is long. If you were looking for a puppy, the American Kennel Club is the only site which has 100% puppies from AKC-Registered litters.

Temperament:

Large, kind, gentle and intelligent, the Spanish Mastiff is well balanced. When you see him you won’t find a dog that is light on his feet and who jumps around excitedly. He is a dignified, intelligent dog, quiet and calm.

Even though he is so calm, it is still a good idea to have him trained and socialized as his very size could be a problem. When you tell him to lie down, you want him to listen to you. This big, gentle giant is devoted to his human family ad takes the role of guardian and protector seriously.

He isn’t suited to life in the city but is better suited to a large property, also because he has a loud bark.

This is a curious, intelligent, little dog. They are terrific family dogs with a note to say they are better with older children than with younger. If they are raised with small children, then they are terrific with them. They are territorial, and the children become part of their territory. They will guard and protect them.

They need to play, and this is the biggest requirement for owners. Be sure you have time for them. This is not a couch potato dog. They have a lot of energy and can be destructive and “barky” if that energy is not dissipated. They are terriers through and through and love to “go to ground” whether going in holes they find or digging the holes themselves. They will go after small rodents like chipmunks. They need to be protected in these activities since their skin is vulnerable to scratches and cuts from brush. Their prey drive is strong, so it is important to protect them from themselves in this respect.

They are curious and feisty and every inch the terrier. Affectionate, friendly, and social it is also important to remember they can be scared easily, hurt if play is too rough, and this will trigger barking. They make very good watch dogs.

Kind, gentle, quietly confident and intelligent are just some of the wonderful characteristics of the Spanish Mastiff.

You can add loyalty and devotion to these characteristics too and the fact that he wants to protect you.

Your gentle giant is guaranteed to make you the most wonderful companion and he deserves the very best treatment there is.

There are not many health problems bothering this sturdy little dog.

The American Hairless Terrier has limited breeding stock and it is still a rare breed. Its health problems are mostly related to its hairless state. The breed is highly susceptible to sunburn, rashes, pimples, and allergies. They often need clothing in all seasons to protect them from the heat of the sun or from the cold. The skin must be cleaned regularly often daily with soap and water. This is especially true if sunscreen is used as they are open to skin infections.

Hip dysplasia is also a common issue for this small breed.

It is good to be wise about some of the common dog problems there are that could plague your Spanish Mastiff. Vets are very familiar with these dog illnesses and they tailor their treatment to suit the needs of your dog.

Remember to get your pet vaccinated against the terrible diseases you get that can kill a dog – rabies, parvo and distemper.

Obesity:

People often think that obesity is something that isn’t dangerous, when in fact it is a serious disease that can cause joint problems, digestive disorders, heart disease, back pain and hip dysplasia.

Dehydration:

Dogs rely on water just like what humans do to keep them healthy and functioning properly.

Water is critically important to every organ and also assists with digestion. Your dog is panting and urinating throughout the day and needs to replace the liquid he loses.

Dehydration in dogs results in loss of electrolytes, such as sodium, chloride, and potassium.This is bad as these minerals have important functions.

A dog that is dehydrated has loss of appetite, loss of skin elasticity, is lethargic, has sunken eyes, wants to vomit, has a dry nose and thick saliva. No dog should ever be left without a constant supply of fresh, cool water day and night.

The American Hairless Terrier has some food needs that might be different from other breeds. They should not be given food that contains soy, wheat or corn. They need to be fed at least 3-4 times a day in small amounts as puppies and twice a day as adult. Be sure to avoid overeating and obesity. Puppies need about 400 calories a day whether you feed four times or two times. The adult American Hairless Terrier needs about 500-600 calories per day. This might be half a cup to a cup per day.

Health issues

As previously mentioned the American Hairless Terrier has skin health issues and is also prone to hip dysplasia.

Exercise and games

This is a great breed for games if you make them small to match his size. He is energetic, athletic and playful. He loves agility, lure chasing and barn hunt activities. They need a good half hour of vigorous exercise per day.

Diet:

These are giant breed dogs, so you have to be careful with the way you feed them. Large dogs like these are prone to hip dysplasia so you need to choose a food which has ingredients that work to prevent this disease.

You have to be very careful that you don’t overfeed your dog so that the extra weight puts strain on the joints.

This dog will do well with some raw meat added into his diet. Also, include home-made food too. Boiled chicken, brown rice or pasta, sweet potatoes, carrots and spinach chopped up and added to his dry kibble for giant breeds. Added in twice a week can do him the world of good.

Remember to never leave your dog without a constant supply of fresh, cool water.

Grooming:

A good bush of the thick coat twice a week will keep the Spanish Mastiff looking his best.

The nails will also need to be trimmed regularly to avoid overgrowth and to avoid the nails catching onto things. The ears too should be checked regularly to avoid dampness inside the ear which can cause bacteria.

Exercise:

As a fully grown adult, the Spanish Mastiff isn’t a frisky, frolicking dog but he will still require daily exercise. Options for exercise include long walks, hikes, swimming and ball games.