How to determine the dog's age

Dog's age can generally be in accordance with their appearance and growth of teeth, wear, external color change, and integrated to determine the extent of shedding. Old dogs coat rough, dull, coat color light (back hair), jaw has white hair, the two eyes dull and slow; young dogs coat smooth, rich gloss, eyes sparkle, vitality, and flexibility of action. However, the appearance of a firm can not determine the exact age of dogs must be under the circumstances to determine the tooth. Of course, the degree of wear canines and feed, feeding and management there is a certain relationship. Here are the relationship between canine and age, for reference.

19-28 day-old milk Cutting grown

20-28 day-old milk premolar erupted 3

21-35 day-old milk canines grow

21-42 day-old 4th premolar grow

28-42 day-old milk premolar grow 2

2 months of age all the deciduous Long Qi

3-4 months of age to replace paragraphs 1, 2 Cutting, permanent grow

4-5 months of age to replace the first one milk premolars, permanent grow

4-6 month-old replacement of canines erupted permanent canine teeth, upper and lower first molar erupted after a permanent

After 4-7 months of age to replace the first two molars, permanent teeth grow

Cutting to replace the first 3 months of age 5-6, the permanent teeth grow

5-7 months of age 2, 3, 4 Chang-Qi permanent premolar

6-9 months of age after the mandibular first permanent molar erupted 3

9-10 months of age all the permanent teeth for Qi

1-year-old permanent teeth longer homogeneous, white, bright, sharp sudden Cutting

1-year-old half-jaw section has a tooth cutting edge wear

2-year-old half-mandibular tooth cutting edge has worn No. 2

3-year-old semi-upper section has a tooth cutting edge wear

4-year-old half-maxillary tooth cutting edge has worn No. 2

5-year-old lower jaw tooth cutting edge began to wear No. 3, paragraphs 1, 2 Cutting wear rectangular, canines began to wear and tear

6-year-old lower jaw 3 Cutting edge began to wear, canine blunt round

7-year-old wear and tear to the lower jaw the first tooth cutting a tooth root, and ground into an oval-shaped

8-year-old lower jaw section has a cutting tooth grinding to the front of the tilt

10-year-old lower jaw 2, upper section of the mill appear before an Oval Cutting

Cutting off 16-year-old

20-year-old canine shedding dog China