. The diseases of poultry . Poultry; 1899. 184 DISEASES OF POULTRY. and the wings themselves, that are found diseased. The appearance of the affected parts resembles closely that seen in favus—the disease caused by the vegetable parasite known as the Achorion Schonleinii. Some have, therefore, suspected that the disease is really due to this fungus and that the mites are inno- cent of pathogenic action. The truth must be de- termined by future SCABIfiS CAUSED BY SARCOPTES—DEPLUMING SCABIES. This form of scabies was first observed by Railliet and Cadiot, in 1885, on a Homing Pi
. The diseases of poultry . Poultry; 1899. 184 DISEASES OF POULTRY. and the wings themselves, that are found diseased. The appearance of the affected parts resembles closely that seen in favus—the disease caused by the vegetable parasite known as the Achorion Schonleinii. Some have, therefore, suspected that the disease is really due to this fungus and that the mites are inno- cent of pathogenic action. The truth must be de- termined by future SCABIfiS CAUSED BY SARCOPTES—DEPLUMING SCABIES. This form of scabies was first observed by Railliet and Cadiot, in 1885, on a Homing Pigeon from Brus- sels. It was later found by Railliet to be a frequent af- fection of fowls. It is caused by the mite known as the Sarcoptes Icevis. The parasite found on the pig- eon is not exactly the same as that found upon fowls although both belong to the same species. The variety which lives upon the pigeon is distinguished by the term columbtB, and that which Fiff. ^.-Efidermoptes bilobaUi, li^CS UpOU fowls by the of tbe fowl: male, seen on t'le 4-o,-«, ^^7IJ^^ T^t,,^ Jiz^ .„ ventral surface; ma-aiHed ISO term gallince. The disease diameters. jg most cotnmou in Spring and Summer, disappearing in the Fall when the birds molt, and is seen again towards Spring. The principal symptom of this trouble is a loss of feathers from spots of various sizes, situated on differ- ent parts of the body. The feathers break off at the surface of the skin, and at the root of the feather is seen a small mass of epidermic scales which is easily. 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 Salmon, D. E; Leeney, Harold. fmo; Cornell University. College of Veterinary Medicine. Flower-Sprecher Veterinary Library. fmo. Washington, D. C. : G. E. Howard & Co.
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Keywords: ., bookauthorco, bookcentury1800, bookdecade1890, booksubjectpoultry
