Handbook of meat inspection . three years; of the middle incisors, three and cme-halfto four years ; of the coruers, four and one-half to five years. Thepermanent teeth are yellowish, without a neck, and furnished withfurrows on the labial surface. The further determination of age ia 222 APPEABANCE AND DIFFERENTIATION OF MEAT AND ORGANS horses is made according to tlie degree of wear. Tliis is indicateduntil the nintli year in the incisors of tlie lower jaw, and until tlietwelfth year in tliose of the upper jaw, by the loss of the marks;,later, by the so-called round, triangulär and inverted o
Handbook of meat inspection . three years; of the middle incisors, three and cme-halfto four years ; of the coruers, four and one-half to five years. Thepermanent teeth are yellowish, without a neck, and furnished withfurrows on the labial surface. The further determination of age ia 222 APPEABANCE AND DIFFERENTIATION OF MEAT AND ORGANS horses is made according to tlie degree of wear. Tliis is indicateduntil the nintli year in the incisors of tlie lower jaw, and until tlietwelfth year in tliose of the upper jaw, by the loss of the marks;,later, by the so-called round, triangulär and inverted oval grindingsurface of the incisors (from twelve to eighteeu years ; from eighteento twenty-four years, and, lastly, from twenty-four years ou). 2. Cattle,—Conceruing the determination of the age of calves,more detailed data are given in the discussion of immaturity. As arule, cattle retain the milk incisors for eighteen months. The milkincisors are considerably smaller than the permanent teeth in cattle. Fig. 25. Fig. Incisor teeth of a beef animalone yeur old.
Size: 1474px × 1695px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookidhandbookofme, bookyear1904
