. The homœopathic veterinary doctor, giving the history, means of prevention, and symptoms of all diseases of the horse, ox, sheep, hog, dog, cat, poultry and birds, and the most approved methods of treatment. Veterinary medicine. 168 THS VETERINARY DOCTOR. NAVICULAR DISEASE. The navicular bone is beliind and below the lower bone of the pastern and above the coffin bone of the hoof. Diseases of this bone lead to many forms of obscure lameness. The bone may become contracted as a result, and this contraction has been erroneously considered by some the cause of the disease. The main causes are s
. The homœopathic veterinary doctor, giving the history, means of prevention, and symptoms of all diseases of the horse, ox, sheep, hog, dog, cat, poultry and birds, and the most approved methods of treatment. Veterinary medicine. 168 THS VETERINARY DOCTOR. NAVICULAR DISEASE. The navicular bone is beliind and below the lower bone of the pastern and above the coffin bone of the hoof. Diseases of this bone lead to many forms of obscure lameness. The bone may become contracted as a result, and this contraction has been erroneously considered by some the cause of the disease. The main causes are strain of the tendon that passes over the bone downward to the coffin, over-exertion, or long-continued work on hard ro^ds, by which the sac between the tendon and the bone becomes in- flamed and its oily fluid is stopped, leading to ulceration of the bone and membrane. Symptoms.—The horse stands with legs extended, putting the weight on the toe, the heel being lifted; perhaps the fetlock is bent, the toe thrown forward and stuck into the ground; lameness; heat; tenderness of the foot;. Section of the Foot and Pasterns. A, Coffin Bone, B, Navicular Bone, the seat of Navicular Disease, C, Coronary or Lower Pastern Bone. Fj Cannon or Shank Bone. G, Horny Frog-. H, Sensitive Frog". K, Sensitive Sole. L, Horny or Sensitive Sole. M, Outer Wall or Crust. N, Laminated Leaves or Horny Plates. O, Sensitive Lamina: or Plates, the Chief Seat of Founder. lameness diminishes with exercise; pressure in the hollow of the pastern gives' pain; tendon usually a little larger than is natural. After the dis- ease has run some time, pressure of the thumb on the hollow of the heel causes pain; the inside quarter of the foot becomes straighter, and ridges Digitized by Microsoft®. 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 wo
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectveterin, bookyear1890
