Determining the Age of Cattle by the Teeth
George Whitfield Pope
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The age of Cattle can be approximated closely by the appearance, development, and subsequent wear of their second incisor teeth. Cattle have eight incisor teeth, all in the lower jaw. In the calf at birth two or more of the temporary or first incisor teeth are present. With the first month the entire eight incisors have appeared. As the animal approaches 2 years of age the center pair of temporary incisor teeth or pinchers are replaced by the permanent pinchers which at 2 years attain full development. At from 2½ to 3 years the permanent first intermediates are cut and are usually fully developed at 3 years.