Generally, the age of a Golden Retriever can be judged based on the growth and wear of its teeth, followed by its hair, body shape, and eye expression. The primary canine teeth of puppies grow around 20 days after birth, and all primary incisors grow when they are four to six weeks old. Over 8 months old, all teeth are replaced by permanent teeth. 1 year old, the permanent teeth are all long, smooth and strong, with sharp protrusions on the upper part of the incisors. At 1.5 years old, the peak of the first mandibular incisor disappeared. At 2.5 years old, the peak of the second mandibular incisor disappeared. At 3.5 years old, the peak of the maxillary first incisor was lost. At 4.5 years old, the peak of the maxillary second incisor was lost. At the age of 5, the peak of the third mandibular incisor was slightly worn, and at the same time, the first and second mandibular incisors were ground into a rectangular shape. At 6 years old, the peak of the third mandibular incisor was lost and the canine teeth were blunt and rounded. At the age of 7, the first incisor of the mandible was worn to the root of the tooth, and the worn surface was vertically oval. At the age of 8, the first incisor of the mandible was worn and tilted forward. At 10 years old, the wear surfaces of the second mandibular and first maxillary incisors were longitudinally oval in shape. At the age of 16, the incisors were lost and the canines were incomplete. At the age of 20, the canine teeth fell out. Adult dogs are quite big. Golden retrievers themselves are large dogs, with a length of about 55-61 centimeters and a weight of about 26-31.5kg for male dogs and 25-27kg for female dogs.

Precautions for feeding golden retrievers:

1. When golden retrievers are weaned, you can start feeding them liquid food, canned meat mixed with warm boiled water to make a paste, or puppies Soak dry food in heated water until soft. When you are two months old, you can start eating puppy dog ​​food.

2. Dog food mainly comes in two categories: dry food and canned food. Depending on the age of growth, let the dog eat dog food suitable for it. Puppies eat puppies, don’t be confused.

3. Large dogs grow quickly. You can add some calcium powder and other nutrients to their meals. It is not recommended to feed golden retrievers raw meat and avoid salt, oil and other condiments.

4. You can give dry food to golden retrievers, which can clean up dental calculus from chewing. But if you have urinary stones, try to avoid eating dry food.