Big Pyrenees A Fei is a Douyin blogger. He has a big Pyrenees dog, which is now more than 3 years old.

The age of the Great Pyrenees Dog is mainly determined by the growth of its teeth, and comprehensively judged by observing the tooth peak, tooth wear level and appearance color.

The teeth of the big white bear are all short-crowned, and the upper jaw is the first The crown of the two incisors is 3 peak-shaped, the middle is a large peak, and there are small peaks on both sides. 3 peaks. The molars are multimodal. The age of the Great Pyrenees can be judged according to the following criteria: the young Great Pyrenees begin to have teeth around 20 days: the deciduous incisors are long at 4.6 weeks old; when nearly 2 months old, the deciduous teeth are all long, white, thin and pointed. : Replace the first primary incisors at 2-4 months; replace the second and third primary incisors and primary canines at 5-6 months: After 8 months, all permanent teeth are replaced; at 1 year old, the permanent teeth are already long and white. Bright, with cusps on the upper part of the incisors: at the age of 1.5 years, the large peak of the first mandibular incisor was worn to the level of the small peak: at the age of 2.5 years, the tip of the second mandibular incisor was worn out: 3.Peak of maxillary first incisor at age 5 years