Tosa vs American Cocker Spaniel - Breed Comparison

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.

Thought to be a dangerous dog breed, it is restricted in some countries.

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.

Descended from the English Cocker Spaniel when the latter were brought to the United States in the late 1800s. American hunters wanted a smaller dog for bird hunting, so they crossed them with smaller spaniel breeds. The English and the American Cockers were considered the same breed until 1935 when the American Kennel Club officially separated them into 2 distinct breeds. After this the American Cocker’s popularity increased dramatically. To this day they are one of the most popular breeds in the U.S. Recently their popularity has spread back to England. The American Cocker Spaniel has evolved from a hunting dog life to a very popular family pet.

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.

Temperament:

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 American Cocker spaniel is a sturdy dog of medium size. The have a rounded head with a broad and deep muzzle. The jaw is even and square while the teeth have a scissors bite. The American Cocker has round eyes that are almost always dark with the exception of the Merle who can have blue colored eyes. They have long ears and a docked tail in the U.S. Docking is illegal in most of Europe. The American Cocker bred for field hunts have shorter coats than those bred for show. Grooming is essential for this longhaired breed. It is especially important for the eyes and ears to be kept clean.

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.

Favored Qualities

This is a gentle, happy dog. They are high energy, high spirited, friendly dogs who like people and other animals alike. They are happy to be with you and want to please you. He can find a home in the country and in the city alike. He is inquisitive and easy to train.

Potential Difficulties

But be warned they can be stubborn and hard to housebreak. They can be shy and need a lot of socialization as a pup. They can take over a household if you are not the strong pack leader they need. They have a tendency to urinate when excited and must live inside with the family. They are far too social to be left outside. An unhappy, unstable cocker can be into resource guarding of things, spaces and people. They can bark obsessively or be hyperactive. They must have a loving home with the family.

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.

Perhaps the least of the American Cocker Spaniel’s health concerns are the tendency to overeat and become obese. The more serious concerns include glaucoma, cataracts, dysplasia, allergies, Cherry eye, lip fold pyoderma, liver disease, cardiomyopathy, and congestive heart failure (CHF).

IMHA

The most serious health issue the breed faces is IMHA or Immune Mediated Hemolytic Anemia which can be deadly. In fact, it is almost always fatal and comes on quickly. With this condition the dog can bleed out internally and there is little that veterinary medicine can do.

Diet:

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.

Cool, fresh water should be available at all times.

Grooming:

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.

Exercise:

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.

Feeding puppies and adults

The American Cocker Spaniel breed requires attention to detail and making sure your puppy gets enough and your adult doesn’t get too much. Feed the pups twice a day until they reach the age of 4 months and then cut them back to the adult dose of once a day at supper time. Feed from a cup to a cup and a half.

Health Issues

not previously mentioned include Ectropion and Entropion, Prolapse of the nicititans gland, gastric torsion and elbow dysplasia. Have your puppy tested for eye diseases and any issues with the knee and hip. These are social dogs and will not do well alone outside. They need to live inside.

Exercise and games

The American Cockers love to play and need a lot of exercise. Nice long walks, games of fetch or even agility will keep your Cocker happy. have plenty of stamina and need regular exercise. They also enjoy a good hunt.