An animal's front cutting teeth or incisors are clues that reveal the age of cattle. Age is important because it determines the future usefulness of replacement cattle and the proper age classification of show steers.
Herrick, Dr. John B.
""Age" Cattle by Their Teeth,"
Iowa Farm Science: Vol. 19
, Article 2.
Available at: https://lib.dr.iastate.edu/farmscience/vol19/iss1/2