Chug is originated from United States but Tosa is originated from Japan. Chug may grow 57 cm / 22 inches shorter than Tosa. Chug may weigh 81 kg / 178 pounds lesser than Tosa. Both Chug and Tosa has almost same life span. Both Chug and Tosa has same litter size. Chug requires Moderate Maintenance. But Tosa requires Low Maintenance
The Chug is a crossbreed with the Pug and the Chihuahua. It is a hybrid not a purebred. Over the past ten to fifteen years people have been developing the Chug, mostly in the United States. People were looking for a lapdog with the characteristics of both the Chihuahua and the Pug. The hybrid dog has characteristics of both breeds, both physical and behavioral. Of course, the Chug is not recognized by the AKC, but it is recognized by hybrid and designer dog clubs such as The American Canine Hybrid Club, Designer Breed Kennel and the International Designer Canine Registry.
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.
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.
The Chug can vary greatly in looks and build from one dog to another. For the most part however, Chugs are small compact dogs, sturdy and muscular. They have a very expressive and lovable face with folding ears, almond shape eyes and short muzzles. Their faces are similar in looks to that of a miniature boxer. .
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.
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.
Because they are a hybrid, chugs can have a very wide range of different characteristics depending upon whether they have more from the Pug or more from the Chihuahua. But either way they are very lovable little dogs with big personalities. Regardless of whether your dog favors the clown Pug or the stately Chihuahua, your puppy will be a lovable ball of fur. He will be affectionate, friendly and aggressive to bigger dogs.
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.
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.
Pugs have great appetites and love to eat and Chihuahuas wont turn down a meal so be careful not to overfeed your Chug. It is important to feed a small breed formula whether you use dry or wet food.
Some additional issues that Chugs deal with in respect to health include:
Both elbow and knee inflammations can lead to arthritis and lameness
Chugs can have runny eyes or cherry eye. If they have cherry eye you will want to treat it immediately or there could be secondary issues with inflammation and infection.
Chugs may be little, but they still need a moderate amount of exercise every day. A regular walk will do or indoor or outdoor playtime every day. They like obedience, rally and some can do small dog agility, but they would have to be on the larger size for Chugs. Chugs also make great therapy dogs.
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.
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.
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.