Early intensive socialization of the dog and training in unquestioning obedience are essential. The Dogo Argentino is a very intelligent dog and training should be based on respect, love, firmness, fairness and consistency. Good results can be achieved through reward, but tyranny, isolation, or being too harsh can lead to completely unpredictable behavior. These animals excel as guide dogs and when working in the police. It is an extremely dominant dog, requiring an owner to subdue it. Weight: 36 - 45 kg. Height at the withers: 61 - 71 cm. Life expectancy: 8 - 14 years.

It is usually said that the intelligence of the Dogue de Bordeaux is at an average level, although this is compensated by the dog's personal devotion, obedience and desire to earn praise from its owner. The Dogue de Bordeaux is fearless, assertive and rather large in size, in need of an active dominant owner. Performs well in obedience, working disciplines and guard dog competitions. The Dogue de Bordeaux is used in many cases for guarding or guard duty. In order to avoid problems with aggression in this dog, it is imperative to conduct early and intensive socialization. Weight: 54 - 66 kg. Height at the withers: 58 - 76 cm. Life expectancy: 9 - 12 years.

The Dutch Shepherd needs an active dominant owner. Dogs of this breed show great learning abilities, therefore, variety is extremely important in the structure of activities in order to keep and warm up their interest. The Dutch Shepherd displays special talents in disciplines such as obedience, policing, military service and security. Training should be conducted with firmness, fairness and consistency. A distinctive feature of the Dutch Shepherd is its variegated color. This is a strong, muscular, extremely well proportioned breed of dog with a balanced temperament. Weight: 25 - 30 kg. Height at withers: 56 - 64 cm. Life expectancy: 12 - 14 years.

This breed requires extensive intensive early and ongoing socialization as well as an obedience course. Without adequate training, a Dalmatian can become overly timid or extremely nervous. Teaching should not be harsh or arbitrary and should be conducted with firmness, fairness, consistency, reward, and patience. Dalmatians perform well in competitions such as obedience, agility or flyball. Dalmatian by nature is very attached to a person, he simply cannot do without constant attention to his person. Weight: 18 - 27 kg. Height at the withers: 48 - 58 cm. Life expectancy: 10 - 16 years.

It is necessary to bring up the Dandy Dinmont Terrier in an affectionate, but at the same time - firm hand, since from time to time they demonstrate enviable stubbornness. But since this breed is quite intelligent, the training is quite simple, although the course of obedience can be somewhat difficult. Low attention span. Like most terriers, the Dandy Dinmont Terrier is exceptionally independent. Dogs of this breed are especially distrustful of strangers and everything new to themselves, therefore, before placing the Dandy Dinmont in an unfamiliar environment for him, he must be properly socialized. Weight: 8 - 11 kg. Height at the withers: 20 - 28 cm. Life expectancy: 11 - 14 years.

Deerhound is a slow learner. He socializes easily, but it is quite difficult to teach him obedience. It is recommended that you start training this dog as early as possible. Calm, loyal and loyal Deerhound falls in love with everyone he meets on his way. It is a brave but friendly dog that gets along well with children. She rather slowly assimilates new knowledge, but with correct and consistent training, she makes great strides in canine wisdom. But the greyhound is unlikely to get along with small animals. Deerhound loves to run and needs a lot of physical activity. Weight: 34 - 50 kg. Height at the withers: 71 - 81 cm. Life expectancy: 11 - 15 years.

The Doberman Pinscher is easy to train, but requires an active dominant owner. To prevent such vices as shyness, timidity or aggression, it is imperative to socialize the dog early and adequately. Do not use harsh or arbitrary methods. The best results can be achieved by applying positive reinforcement, firmness, fairness, consistency, and respect for the dog. The Doberman Pinscher is especially good at disciplines such as obedience, search and rescue, police work, and canistherapy. Weight: 30 - 41 kg. Height at the withers: 61 - 71 cm. Life expectancy: 8 - 12 years.

The Doodleman Pinscher tends to dominate and can be quite stubborn. Therefore, it is imperative to take a course with the dog in early socialization and obedience training. Rough or arbitrary methods are completely useless. Training must be conducted with firmness, fairness, patience and consistency. The Doodleman Pinscher is usually quite pleasant, good-natured, and affectionate. This is a loyal, loyal and loving dog. Gets along well with older children. The Doodleman Pinscher has good stamina, courage and agility. Weight: 30 - 40 kg. Height at the withers: 61 - 71 cm. Life expectancy: 8 - 12 years.

Since this is a very energetic dog, it constantly requires games and entertainment. Therefore, in order to keep the attention of the Scottish Retriever, training must be consistent and structured in the form of short and varied lessons, so that the lights do not have time to bore the dog. It shows itself well in hunting for game and in sports obedience. It is sometimes heard that this breed has the wonderful personality of the extremely popular Golden Retriever, but the Nova Scotia Duck Retriever is much more wary of strangers or animals. Weight: 17 - 23 kg. Height at withers: 43 - 53 cm. Life expectancy: 11 - 14 years.

Dachshund from time to time can show enviable stubbornness, and therefore an inexperienced owner may think that it is too difficult to teach something. In reality, dogs of this breed require persistent and persistent work with them. But since the Dachshund is a very sensitive and nervous breed, its training in no case can be rude or harsh, this will lead to the development of excessive timidity and even cowardice in the dog. It is best to diversify the lessons and act with affection. Dachshund is a dog that loves all kinds of entertainment, stubborn and lively, but can be jealous and very irritable. Weight: 5 - 15 kg. Height at the withers: 13 - 23 cm. Life expectancy: 12 - 15 years.