. Diseases and enemies of poultry . by an entirely dittei-eut parasite,and on close exr, it can be seen that the condi-tion of the skin is ditferent from that which exists innifinge. The parasiteof favus is a vegetablejj^rowth, knoA as Acho- rion schorleinii. Favns nsnally com-mences about Ihe comb, head aud neck. It causes the feathers to become brittle and break ott and fall out, and when these lire examined clOSely itis seen that their interioris tilled with scales and with branching threads c-esemblino- minute roots. These are the filaiuentsof the vegetable parasite or fungus. Whe
. Diseases and enemies of poultry . by an entirely dittei-eut parasite,and on close exr, it can be seen that the condi-tion of the skin is ditferent from that which exists innifinge. The parasiteof favus is a vegetablejj^rowth, knoA as Acho- rion schorleinii. Favns nsnally com-mences about Ihe comb, head aud neck. It causes the feathers to become brittle and break ott and fall out, and when these lire examined clOSely itis seen that their interioris tilled with scales and with branching threads c-esemblino- minute roots. These are the filaiuentsof the vegetable parasite or fungus. When tliecomb is involved, it becomes swollen, its surface be-comes scaly, whitish and powderly. The eyelids arefrequently- affected, and in some rare cases the feath-ered surfaces are involved to such an extent that thebird beeo-mes almost nal;ed. Upon the skin there de-velops a thick yellowish or grayish crust or scab in theform of ratlier small, roundish disks, depressed at thecentre. The odor of the diseased bird is peculiar and. 35 disagreeiililc ami i isciiil)lrs that nf a mouldy or imistygrain bin. It beioiiics thin, weak, exhausted, and un-less i-elitved it dies. If a small poitiou of a crust or the eimtents of afeather groAving on the diseased skin is moistened witha weak snlution of acetie aeid and placed under themicroscojie it will he seen tliat it is made up of cells
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, booksubjectpou
