. Dadd's theory and practice of veterinary medicine and surgery. Veterinary medicine. 130 DADD'S VETERINARY MEDICINE AND SURGERY. mode of obtaining the one or the other makes considerable differ- ence in the wear and tear of the same, consequently we must bear in mind that the popular theory of " age " is sometimes more arbitrary than truthful, and allowances for the same must be made. At the age of two, or a few months over, the front perma- nent teeth ought to appear, and, consequently, at the age of three, varying a few months, the middle teeth are up. At four, varying as in the p
. Dadd's theory and practice of veterinary medicine and surgery. Veterinary medicine. 130 DADD'S VETERINARY MEDICINE AND SURGERY. mode of obtaining the one or the other makes considerable differ- ence in the wear and tear of the same, consequently we must bear in mind that the popular theory of " age " is sometimes more arbitrary than truthful, and allowances for the same must be made. At the age of two, or a few months over, the front perma- nent teeth ought to appear, and, consequently, at the age of three, varying a few months, the middle teeth are up. At four, varying as in the preceding cases, the corner teeth begin to show them- selves, and are not up square with the others until the fifth year. The animal now emerges from colthood, and is known as a horse. As regards the female, during her minority she is termed "filly; " at five she enters the adult stage, and, consequently, is denomi- Fig. A YOUNG HORSE'S MOUTH. nated a mare. Supposing the horse to have a full set of nippers, or incisors, at the age of five, the marks, or black incrustation, will have so worn away at six as to leave a faint brown mark. At seven, similar appearances have taken place in the two next, or middle, teeth. At eight the marks, or rather the cavities, of the two next, or corner teeth, are now about obliterated, and the face of the teeth are nearly level, and the central enamel is nearer the inward than the outward border. After the marks have all disappeared in the lower jaw, the exact age can not clearly be shown. At the age of nine the front teeth appear somewhat rounded; the middle and corner ones contract their oval faces, and the central enamel diminishes and approaches the inward border. At ten the middle incisors resemble those at nine, and the central enamel has approximated the inward border and is rounded. At eleven the middle teeth resemble those at ten, and. Please note that these images are extracted from scanned page images that may have been d
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