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The Mastiff is a large breed of dog, originating in Great Britain and managed by the FCI in Group 2. In fact, the Mastiff is one of the largest and heaviest breeds in the world. Nevertheless it is characterised by a high stimulus threshold and a reserved, friendly nature.

Characteristics of the Mastiff

The life expectancy of the Mastiff is about 10 to 12 years. Especially large and heavy animals often die earlier. With a size of 70 to 91 centimetres, the Mastiff weighs 70 to 100 kilograms. In individual cases, however, it can become even heavier.

The Mastiff is large and massive. Nevertheless, its body is well proportioned with a wide, deep chest and pronounced muscles. His broad head is characterized by wrinkles on his forehead as well as slightly sagging lips and hanging, high set ears.

The fur of the Mastiff is short and may be colored alternatively apricot, falb or brindle. Independently of the fur-color, the race-standard always prescribes a black mask.

Mastiff nature and character


The Mastiff is considered attentive and is therefore well suited as a watchdog. Often it almost seems as if he is well aware of his size and strength. Because he has a high stimulus threshold and a reserved nature. Therefore the Mastiff does not tend to aggression.

In addition, he is characterized by a considerate treatment of children and elderly people. If there is enough space, the Mastiff is therefore also a good family dog, which builds up a close connection to its owners.

Nevertheless, it is important to consider the size of adult specimens in this breed. Their strength cannot be kept under control with a leash with the best will in the world, so that a good education with the Mastiff is absolutely necessary.

That might be the reason why this dog breed is to be found despite its quiet nature in some federal states on the race list.

Activities with the Mastiff

In former times the Mastiff was popular mainly as a hunting and war dog. Meanwhile, however, it is held only as guard, companion or family dog.

The Mastiff loves to play in the garden and to romp around or to take long walks with his family. He also likes water and is a good swimmer.

For dog sport on high level the Mastiff is usually too heavy. Nevertheless, there are some sporting activities that this breed is enthusiastic about.

These include for example:

  • Trick dogging
  • Agility

Mastiff Diseases

Once the Mastiff was regarded as a very robust dog. In the course of the breeding it turned out, however, that he is particularly predestined for some diseases.

Among other things there is an increased risk for diseases of the heart and the eyes. In addition, the Mastiff tends to hip and elbow dysplasia due to size and weight. In addition, the skin on the face can easily become inflamed due to the typical wrinkles.

Like many large breeds of dog, the Mastiff also tends to have lying bumps due to its high body weight.

Mastiff Food

With the Mastiff it is important to reach for a special food. This should be as high quality and nutritious as possible. Keepers should bear in mind that the large animals have a correspondingly high energy requirement. 

However, it is in no way desirable to present them with portions that are too large. Because the heavier a Mastiff is, the higher is the risk that his health and life expectancy suffer from his weight.

We also recommend the following dietary supplements because of the risk of these diseases:

The Bellfor nutrition concept supports the healthy development of your Mastiff from an early age.

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