The most appropriate time to purchase a wolf dog is 40 days after the puppies are born. Because 40 days after the birth of the German Wolfdog, its size has developed to be almost the same as that of an adult dog, and there will no longer be major changes, so the dog should generally be selected and pre-ordered 40 days after birth.

1. The selected dog should be in good health, lively and excited, innocent and generous, with a strong appetite, no eye mucus, not emaciated, moist and cool nose pads, close-fitting, smooth and shiny coat, bright and energetic eyes, A nimble and agile puppy.

2. The dog’s personality must conform to the characteristics introduced earlier in this book. Such as being brave, alert, aggressive, confident, not timid when meeting strangers, and having a good neurological type, etc.

3. When selecting and testing the character, you can observe whether it is afraid of strangers, whether it can consciously play with people, whether it will respond keenly to noises or shaking handkerchiefs, and whether it will throw objects to it. Will it be very interested? Does it show a desire to play with people and an interest in playing with other dogs?

4. Check all parts of the dog's body shape according to the standards that the dog should have. The first is the ratio of shoulder height to body length, whether it is about 8:10. Male dogs can be slightly longer in stature.

5. The shoulder height of male dogs should be about 62 cm, and the shoulder height of female dogs should be about 58 cm. The weight of male dogs should be between 35-40 kg, and the weight of female dogs should be between 29-32 kg.

6. The typical coat color is black with a yellow belly, some with white spots on the chest, usually mostly dark brown, and wolf gray also exists, but rarely; black is preferred around the muzzle, and most people prefer dark brown dogs. In fact, wolves Gray dogs have the best endurance when working in the hot sun.

7. The color of the eyes should be deep and thick, the shape of the eyes should be almond-shaped, the ears should be upright, and the tail should droop in a saber-style. The height of the tail should not exceed the horizontal line of the back.

8. The head needs to be wedge-shaped, wide at the top, narrow and long at the bottom. The muzzle of a male dog should be broad and should not be too slender. The incisors should lightly cover the front 1/3 of the mandibular incisors, making close contact like scissors. The gap between the maxillary incisors and mandibular incisors is very small.

9. The chest should be as deep as the elbow, the knees should be slightly bent, and the abdomen should be slightly retracted. The male dog’s testicles should be visible and should not be cryptorchid testicles or single testicles.

10. The limbs should be strong and the gait should be steady and comfortable. When selecting, the dog should be allowed to move. If after running a few steps, the hind limbs merge together and jump, it may be injured.

11. After selection, ask the seller for feeding and management technical information, pedigree certificate, transfer letter signed by the buyer and seller, and a 7-14 day health and safety guarantee.