. Diseases of the dog and their treatment. .In a few days the body, in consequence of the development of numerouseggs, grows to an enormous size in propor-tion to its normal size, sometimes getting aslarge as a pea (Fig. 163). It causes more orless itching while it is in the skin, and if thedog should gnaw and kill the insect, it is aptto act as an irritant, causing suppuration andin some cases necrosis of the skin. Great caremust l)e used in removing these ticks, as care-less removal, as has iust been said, causes Fig. les.—Female puiex pene-trans greatly enlarged,irritation and abscess. Satu
. Diseases of the dog and their treatment. .In a few days the body, in consequence of the development of numerouseggs, grows to an enormous size in propor-tion to its normal size, sometimes getting aslarge as a pea (Fig. 163). It causes more orless itching while it is in the skin, and if thedog should gnaw and kill the insect, it is aptto act as an irritant, causing suppuration andin some cases necrosis of the skin. Great caremust l)e used in removing these ticks, as care-less removal, as has iust been said, causes Fig. les.—Female puiex pene-trans greatly enlarged,irritation and abscess. Saturate a pad of cotton with chloroform or ether and lay it over the parasite which im-mediately liberates its holding hooks in the skin and falls off. Haematopinus Piliferus (Dog Louse) and Trichodectes Latus. {Dog Parasites.) Description of Haematopinus Piliferus.—This parasite is distinguishedby an egg-shaped head fitted with fine, short hairs and fleshy sheath-trunkwith hooks at the edge. This when lifted shows a sucking tube and two. 4G4 DISEASES OF THE SKIN movable knife-shaped stilettos. The thorax is wrinkled and possessesthree pairs of scissor-like claws. The posterior portion of the body islarge and possesses nine rudimentary legs. The length of the body isabout 2 mm. (see Fig. 1()4 ti). Description of the Trichodectes.—In this parasite the head is l)roa(l,quarter-shaped, with three manacle feelers and a tooth-shaped thorax is contracted, the posterior part of the body has nine distinctmembers, and the length of the body is from 1 to 2 mm, (see b). The former parasites are the most disagreeable, as they suck theblood from the body, live particularly on those parts of the skin wherethe hair is thick and which are not exposed to the cold, such as the neck,flanks, and around the base of the tail. The trichodectes feed, as a rule,upon the hair and epidermis, and are found particularly on the head and
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectdo, booksubjecthorses
