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How do sheep read tooth age diagrams

2018-03-16 16:00:00

How sheep see tooth age diagram, understand.


China's experienced farmers and herdsmen identify the age of sheep, "one year old to replace teeth, two years old one pair of teeth, three years old two pairs of teeth, four years old three pairs of teeth, five straight, six flat, seven oblique teeth." This method is simple and easy to remember, easy to master and popularize.


The teeth of young sheep are called deciduous teeth, which are white and small in color; The teeth of adult sheep are called permanent teeth, which are yellow in color and larger. The identification of the age of sheep by teeth mainly looks at the sheep's lower jaw has 4 pairs of incisors, the middle pair is called the incisor, the two sides of the incisor are the inner middle teeth, the outward middle teeth, and the outermost pair is called the corner teeth.


When sheep are 1 ½ years old, milk teeth are changed to permanent teeth. 2 to 2 and a half years old middle tooth replacement; External middle tooth replacement at 3 years old; 4 years old corner tooth replacement; After 5 years old, it can be determined according to the size of the gap between the teeth, the degree of wear of the teeth and the condition of the teeth. Over 6 years old, the gums are depressed, the teeth are tilted forward, and the crowns become narrow. From 7 to 9 years old, the tooth roots are active and fall off gradually.


2 teeth (1 1/2 years old)


4 teeth (2 1/2 years)


6 teeth (3 ½ years old)