The American reformed horse book, a treatise on the causes, symptoms, and cure of all the diseases of the horse, including every disease peculiar to America, also breeding, rearing, and management . only hopes of success in putting a stop to its propaga-tion an i development is, to adopt preventive measures, by reject-ing, as breeders, all animals (sire and dam) that show the least|)redis])osition to or for this affection. Let the reader understand that the disease itself is incurable iiilo far as the enlargement, dilatation, and softening of the jaw- LAMEITESS, FROM VARIOUS CAUSES. 363 bones


The American reformed horse book, a treatise on the causes, symptoms, and cure of all the diseases of the horse, including every disease peculiar to America, also breeding, rearing, and management . only hopes of success in putting a stop to its propaga-tion an i development is, to adopt preventive measures, by reject-ing, as breeders, all animals (sire and dam) that show the least|)redis])osition to or for this affection. Let the reader understand that the disease itself is incurable iiilo far as the enlargement, dilatation, and softening of the jaw- LAMEITESS, FROM VARIOUS CAUSES. 363 bones ^./iicerned ; yet, like spavin, ring-bone, and various otherdiseases, it is accomjjanied, in certain stages, by pain and lameness,and our services as physicians are only secured in view of remov-ing this pain and lameness, so that the animal may be enabled toperform the ordinary equine duties. This is what some personsplease to term a cure, whereas it almost always happens that somealteration in the structure of the parts remains, which actuallyrenders the horse unsound, because he has that about him whichmay, from overwork or other exciting causes, impair his useful-nass. j^SSifaiK^—. THE PATELLA, OR STIFLE BONE. This cut shows the appearonce of disease on articulatory surfaces when the animal is th&subject of Osteo Porosis, or Big Head. As regards the alarming features of big head or big jaw, wewould inform the reader that almost every lame horse examinedby us, during a period of six months, in Ohio, had either one orthe other jaw enlarged. In some cases one angle of the lower jawwas the seat of thickening and enlargement, but among the majorityboth angles were affected. These remarks do not apply to otherobvious or accidental lamenesses which are constantly occurring. A short time ago we visited, in company with a practicing vet-erinarian whose attention had never been called to this affection,three horses, the subjects of lameness, which was said to be occa-sioned by


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Keywords: ., bookcentury1900, bookdecade1920, booksubjecthorses, bookyear1920