. The physiology of domestic animals ... Physiology, Comparative; Veterinary physiology. 2 Years. 2% Years. K. 12 Years. 14 Years. 16 Years. 18 Years. 20 Years. Fig. 104.—Changes from Age in the Incisor Teeth of the Ox. (Wilckens.) Dentition of Sheep.—In the sheep it is by the displacement of tem- porary and eruption of the permanent teeth that the age of the animal is determined. Table op Early Dentition. Table of Late Dentition. Years. Mos. No. of Teeth. Years. 11 OS. No. of Teeth. 1 1 2 3 0 6 3 0 Central pair of temporary incisors replaced by per- manent. Second Third Fourth 1 2 2 3 4 0 9 6
. The physiology of domestic animals ... Physiology, Comparative; Veterinary physiology. 2 Years. 2% Years. K. 12 Years. 14 Years. 16 Years. 18 Years. 20 Years. Fig. 104.—Changes from Age in the Incisor Teeth of the Ox. (Wilckens.) Dentition of Sheep.—In the sheep it is by the displacement of tem- porary and eruption of the permanent teeth that the age of the animal is determined. Table op Early Dentition. Table of Late Dentition. Years. Mos. No. of Teeth. Years. 11 OS. No. of Teeth. 1 1 2 3 0 6 3 0 Central pair of temporary incisors replaced by per- manent. Second Third Fourth 1 2 2 3 4 0 9 6 Two permanent incisors. Four " Six Eight. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smith, Robert Meade, 1854-. Chicago, A. Eger
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