. Principles of veterinary science; a text-book for use in agricultural schools. Veterinary medicine. 332 PRINCIPLES OF VETERINARY SCIENCE ment consists in dipping in the regulation sheep dip or kerosene emulsion immediately after shearing. ARACHNIDS The mange mite of the horse causes the very contagious disease known as mange or itch. This parasite, like all arachnids, is so minute that it is just visible to the naked eye, and possesses four pairs of legs. There are three genera of mange mites recog- nized as infesting the horse—viz., Sarcoptes, Psoroptes, and. Fia. 84.—The sarcoptic mange mi
. Principles of veterinary science; a text-book for use in agricultural schools. Veterinary medicine. 332 PRINCIPLES OF VETERINARY SCIENCE ment consists in dipping in the regulation sheep dip or kerosene emulsion immediately after shearing. ARACHNIDS The mange mite of the horse causes the very contagious disease known as mange or itch. This parasite, like all arachnids, is so minute that it is just visible to the naked eye, and possesses four pairs of legs. There are three genera of mange mites recog- nized as infesting the horse—viz., Sarcoptes, Psoroptes, and. Fia. 84.—The sarcoptic mange mite of the horse. This mite burrows into the deep layers of the skin. (U. S. Department of Agriculture.) Symbiotes. Of these, the Sarcoptic mite is the most destructive (Fig. 84). It burrows tunnels or galleries into the skin. The symptoms of mange are intense itching, continuous rubbing, and the formation of scabs along the back and withers, where the parasites lodge just beyond the reach of the mouth and tail of the host. The irritation seems to be most marked during hot nights. The hair drops out and the skin thickens, cracks, and assumes a dead appearance. To diagnose mange, scrapings should be made from the skin 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 Hadley, Frederick Brown, 1880-. Philadelphia and London, W. B. Saunders Company
Size: 1347px × 1855px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, booksubjectveterin, bookyear1920
