The care of animals : a book of brief and popular advice on the diseases and ailments of farm animals . teeth may becomeold snags, so loosely attached to the jaw that theymay be moved with the fingers or may drop out. Adeception that was formerly practiced, but is seldommet with at the present, was commonly called bishop-ing. This consisted in cutting artificial date-cavitiesin the incisors, and blackening them with a hot shape of thetooth, and the ab-sence of the ring ofenamel should ren-der deception by such a practice im- ^.^^ 23. Horses teeth at sixteen years of age possible. In o
The care of animals : a book of brief and popular advice on the diseases and ailments of farm animals . teeth may becomeold snags, so loosely attached to the jaw that theymay be moved with the fingers or may drop out. Adeception that was formerly practiced, but is seldommet with at the present, was commonly called bishop-ing. This consisted in cutting artificial date-cavitiesin the incisors, and blackening them with a hot shape of thetooth, and the ab-sence of the ring ofenamel should ren-der deception by such a practice im- ^.^^ 23. Horses teeth at sixteen years of age possible. In order to be able to determine the age of horses, acareful comparative study should be made of the teethof animals whose ages are definitely known. CONTRASTS WITH CATTLE In cattle, there are eight incisor teeth on the lowerjaw, and none on the upper. The two central incisorsare named as in the horse; the next two, one on eitherside of the central incisors, are called internal laterals;the next two, one on either side of these, are called theexternal laterals; the remaining two are called 58 The Care of Animals The temporary incisors in cattle are erupted, or cut,as follows: The central incisors or nippers are up atbirth, the internal lateral at one week old, the externallateral at two weeks, and the corner incisors at threeweeks old. They are replaced by permanent incisorsapproximately as follows, though they vary much morethan in the colt: The central incisors are replacedat twelve to eighteen months; the internal laterals atabout two and a half years ; the external laterals atthree to three and a half years; and the corner incisorsat about three and a half years. In horned cattle, a ring of the horn makes its ap-pearance at three years of age, and a new ring is addedannually thereafter. COLOR OF HORSES In selecting horses, the color is largely a matter of per-sonal preference; but, other things being equal, horsesof decided dark color are preferable. A blood bay,ma
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