. Diseases of domesticated birds. Poultry; Poultry; Birds. DEPLUMING SCABIES The mite designated (8arcoptes) laevis may Fig. 51. Sarcoptes mutans. Ovigerous â female. Dorsal Cnemiodocoptes ^^3^:. Enlarged 100 times. occasion loss of (Eailliet). 'Fig. 52. Cnemiodocoptes Iwvis, larva, ventral aspect, enlarged 200 times. (Railliet) feathers in fowls, pigeons and pheasants during the spring and summer. It infests the portion of the quill that lies beneath the surface of the skiu. The affeo- tion usually appears first on some spot on the body, and pro- gresses gradually to the neck, thighs and head
. Diseases of domesticated birds. Poultry; Poultry; Birds. DEPLUMING SCABIES The mite designated (8arcoptes) laevis may Fig. 51. Sarcoptes mutans. Ovigerous â female. Dorsal Cnemiodocoptes ^^3^:. Enlarged 100 times. occasion loss of (Eailliet). 'Fig. 52. Cnemiodocoptes Iwvis, larva, ventral aspect, enlarged 200 times. (Railliet) feathers in fowls, pigeons and pheasants during the spring and summer. It infests the portion of the quill that lies beneath the surface of the skiu. The affeo- tion usually appears first on some spot on the body, and pro- gresses gradually to the neck, thighs and head, or the head and neck may be affected first. The frequency with which the back is first affected suggests that treading may be the principal means of dissemination. The large feathers of the wing and tail are not generally involved. The feathers are either shed entire, or the quills break off close to the level of the skin. Sometimes the stumps are {Sarcoptes) racked and are surrounded bv epidermal 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 Ward, Archibald Robinson, 1875-; Gallagher, Bernard Alfred, 1880-1940, joint author. New York, The Macmillan Company
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbirds, booksubjectpou
