American Mastiff is originated from United States but Collie is originated from United Kingdom. American Mastiff may grow 30 cm / 12 inches higher than Collie. American Mastiff may weigh 61 kg / 135 pounds more than Collie. American Mastiff may live 4 years less than Collie. American Mastiff may have less litter size than Collie. American Mastiff requires Low Maintenance. But Collie requires Moderate Maintenance
The history of the American Mastiff is entirely tied to the old European Mastiffs but in particular the English Mastiff. The developers of the American Mastiff crossed the English Mastiff with the Anatolian Mastiff at the Ohio kennel, Flying W Farms. The founder of this breed is Fredricka Wagner. Because of this the English Mastiff and the American Mastiff look very much alike. The difference between the two is that the American Mastiff was bred to have less health concerns than the English Mastiff and without the drooling. In 2000 the CKC acknowledged that the American Mastiff and the English Mastiff were separate breeds.
The Collie is a herding dog from Scotland and is also known by other names such as Rough Collie or Lassie Collie.
The first Collies used to be more in size as today’s Border Collies and they were also essentially black. Queen Victoria stepped in to save the Collie from obscurity, bringing some back to England where their popularity soared.
The looks started changing as they were bred and in 1860 they were shown at a dog show in Birmingham, England as ‘Scotch Sheep Dogs’.Later on the sable coat color was introduced.
In 1879 the first Collie was imported to the United States and a club for the dog breed was formed in 1886.
This crossing of the English Mastiff and the Anatolian Mastiff resulted in a Mastiff with a much drier, less drooling mouth than the other Mastiffs. This is a giant, massive dog – powerful and muscular. With a wide head that is rectangular rather than square. Their eyes are dark amber, and their ears are high on their head and rounded. With a medium size muzzle, black mask and heavy head, the American Mastiff is a handsome dog.
Their chest is broad, deep with ribs that extended backward. He has strong legs that are parallel and wide set. He also has a long tail. Puppies of the American Mastiff are born almost black and as they grow their coat color lightens. In addition, it is important that they have a wrinkled forehead as well and a scissors bite is preferred.
The modern Collie is a medium to large sized dog that stands at 51 – 61cm and weighs between 20 – 29kg. You could say that the popularity of the Collie grew because of the dog Lassie, a Rough Collie dog in the film ‘Lassie Come Home’. People who saw this film learned what a wonderful pet the dog could be.
The Collie has two looks – the full coat which is known as the Rough Collie and the shorter coated Collie known as the Smooth variety. The coat comes in different colors but is essentially tri-colored in white, tan and black tips. The Collie has erect ears and a long, feathery tail.
Temperament of a dog is affected by a number of factors, including lifestyle of owners, heredity as well as whether the dog had training and socialization.
The Collie is a good-natured, friendly dog with no aggressiveness in him. He adapts well to city and country life, so long as he is with his human family, but he will need lots of exercise.
He will do well with training and socialization, turning into an even more splendid pet than he already is. He loves the children in the home and loves playing with them and watching over them. The Collie is intelligent and loyal and is easily trained.
A love of children and devotion to his pack (family) is bred into the American Mastiff. He is non-aggressive unless you threaten his family or his children. Then he becomes courageous, protective and defensive. This is a gentle giant most of the time, however due to size and the need for strong leadership, the American Mastiff should be socialized and trained early. If they are socialized and trained they will be calm, gentle dogs. They will remain protective and alert, but they will be friendly with strangers. They love to please their people and being highly intelligent they learn fast.
Your Collie is an intelligent dog who will need physical exercise as well as mental stimulation too, otherwise he can develop some destructive behavior patterns that could be avoided just by seeing to his exercise needs.
He is easy to train and is a sensitive dog, wanting to learn and wanting to please.
A well trained Collie makes a wonderful pet. He is such a loyal dog that he will go to the ends of the earth for his owner, and guarantees to be every bit as affectionate, brave and loyal as the film-star dog, Lassie.
American Mastiffs seem to have fewer health issues than other larger giant breed dogs. However, they can experience allergies as many large, wrinkled dogs do. They also might have a tendency toward eye issues, hip dysplasia, cancer and heart disease. Bloat might be the most life-threatening issue many American Mastiffs experience.
The Collie is a healthy dog breed generally, but just like with all other dogs, they are also prone to certain health conditions. It’s not to say that your Collie will get these diseases, but it can be beneficial to you and your pet’s health to be aware of them if you’re looking at the Collie as a pet.
This is a condition where the skin of the nose peels and oozes and left untreated, it can be painful for your pet and could even lead to cancer.
This is an inherited eye disease that can actually lead to blindness. When certain parts of the eye don't develop properly it can lead to CEA - a genetic disease found in Collies as well as other dog breeds. The disease is also known as Choroidal Hypoplasia and brings about changes and abnormalities in the eye.
This is an abnormal formation of the hip socket and certainly dogs with hip dysplasia should never be bred as it can lead to pain and lameness.
Giant breeds like the American Mastiff are known for growing rapidly as a puppy and therefore proper feeding and nutrition is essential. The slower your American Mastiff grows, the better. Make sure your puppies get enough phosphorous and calcium in their high calorie diet. Free feeding is not recommended. Feed puppies up to 4 small meals per day and feed adults twice a day.
As previously mentioned this breed is a fairly healthy one, There, are however, certain evaluations you should do with your American Mastiff puppy to be sure she is in good health. These tests would include an elbow and hip evaluation to check for dysplasia. He should have an ophthalmologist and cardiologist examine him as well. Most American Mastiffs will not have any problems, but these evaluations will help to prepare you if they do. The wrinkles in your dogs; face, around the eyes and muzzle must be kept clean as they can become infected if you don’t.
Unlike the way he looks, the American Mastiff is not a couch potato, but neither are they a high energy, exercise machine. They do well living in apartments or homes, with or without a fenced in yard. They need a long walk every day. They need mental stimulation through exercise and games. Make sure they learn to love to play so that they don’t become lazy as they age.
The Collie will need grooming because of his long hair, and you will need to brush it at least twice a week to rid it of loose hairs and to keep it free from tangles. This is especially important if you live in the country and he leads an active lifestyle running through fields.
Keep a constant check on your Collie’s ears because dirt build-up can lead to an ear infection. Your vet can advise you on how to clean your dog’s ears. Make sure you have your Collie’s nails trimmed.
To cater for your Collie’s size and activity levels, make sure to feed him good food that meets his nutritional needs. Protein is the most important nutritional need for dogs, and apart from feeding your dog quality kibble, protein should also come from raw, animal-based sources such as meat, fish and poultry.
You can also include some cooked brown rice, vegetables and cooked chicken to provide variety. Make sure he always has fresh, cool water available.