. generally resulting in death in from four to five days. In some cases the duration of the disease is longer and two or three weeks may elapse before the death of the bird. There is then excessive emaciation. A micro- scopic examination of the blood shows a marked diminution in the number of red corpuscles and an in- crease in the number of white ones. In one case the red corpuscles decreased from 3,744,000 per cubic millimeter to 2,133,000, and the white ones increased from to 14 0,000. In another case the red cori^uscles Fig were diminished from 3,534,000 to 1,745,000, while the whit
. generally resulting in death in from four to five days. In some cases the duration of the disease is longer and two or three weeks may elapse before the death of the bird. There is then excessive emaciation. A micro- scopic examination of the blood shows a marked diminution in the number of red corpuscles and an in- crease in the number of white ones. In one case the red corpuscles decreased from 3,744,000 per cubic millimeter to 2,133,000, and the white ones increased from to 14 0,000. In another case the red cori^uscles Fig were diminished from 3,534,000 to 1,745,000, while the white ones increased from 19,000 to 245,000. There is loss of appetite with slight ruffling of the plumage, and the head drawn close to the body. There appears to be no diarrheal symptoms with this disease, or if ihe}^ are sometimes seen they \my be regarded as exce])tional. The period of incul)ation is from two to four days. The alterations discovered hy post))io>!ei>i examination are confined to the liver and the blood. The liver is somewhat enlarged and dark colored, and the surface is sprinkled with minute graj'ish areas. C.\us.\Tiox.—This disease is undoubtedly infectious and is caused by a micro-organism which Moore has named Ihu trn'iiin sa?i^iriii>ian'inu. This germ is a non- motile, rod-shaped organism, which as found in the 69.—Biiiteriuiii siiiigiiiiit)iii:iii from li^cr of fowl, mafftiified 2,000 diameters).
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Keywords: ., bookcentury1800, bookcollectionamer, bookdecade1890, bookyear1899
