File:Diseases of the dog and their treatment (1911) (14781845011).jpg

Identifier: diseasesofdogthe00ml (find matches)
Title: Diseases of the dog and their treatment
Year: 1911 (1910s)
Authors: Müller, Georg Alfred, 1851-1923 Glass, Alexander
Subjects: Horses Dogs -- Diseases
Publisher: Chicago, Ill. : Alexander Eger
Contributing Library: Webster Family Library of Veterinary Medicine
Digitizing Sponsor: Tufts University

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scab that may fall off in a few days, but generally it is two or sometimesthree weeks before it finally comes off, leaving a glossy, hairless, deepred or pigmented surface, with more or less gray scales. The surfacesoon becomes covered with fine hair, which soon grows very rapidly,covering the spot very quickly. This termination is frequently altered 448 DISEASES OF THE SKIN by the animal scratching, biting or gnawing the itchy surface, particu-larly when the sore is on the side where the animal can scratch it withthe hind legs, or on the thighs or back where he can bite it. In rare in-stances the animal may so lacerate the affected portion as to causepermanent loss of hair. The course of this disease depends on whetherit is treated early, for if neglected its course is apt to be slow or it isapt to degenerate into the chronic form, particularly in older animals. Chronic Eczema. Dry Eczema. Scab Mange.—The second typeshows from the beginning an inclination to extend. In is generally
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Fig. 159.—Chronic eczema of the back. observed in sluggish, well nourished dogs, and while it may occur in allbreeds of dogs, it is more apt to be seen in short-haired dogs. It com-mences on the back at the root of the tail and extends gradually up thecentre of the back, each succeeding attack going a little further forwarduntil it finally reaches the neck. It is sometimes observed at the baseof the ear, around the anus and the extremities; the scrotum is also aseat of the disease, and in exceptional cases the entire body is attacked(general eczema). In the early stages we see it as eczema erythematosum with for-mation of scattered papules. These are scratched open on account of the ECZEMA 449 great itching they cause, or they become altered into pustules. Laterwe see the appearance of small scabs under which regeneration of theepidermis occurs, the hair falls off or frequently long solitary hairs arefound, the skin is thickened, developing wrinkles, crevices which fre-quently are r

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