. Diseases of poultry; their etiology, diagnosis, treatment, and prevention. Poultry. 292 Diseases of Poultry mannite and maltose. Even these differences appear to be lost if strains of B. pullorum are used which have been cul- tivated in the laboratory for some time. These studies, however, are not extensive enough to justify as yet the assumption that the two organisms are identical. Diagnosis of White Diarrhea. — The symptoms of white diarrhea are in general the same for the different forms of the disease. They may be briefly stated as follows: The affected chicks appear stupid and remain u
. Diseases of poultry; their etiology, diagnosis, treatment, and prevention. Poultry. 292 Diseases of Poultry mannite and maltose. Even these differences appear to be lost if strains of B. pullorum are used which have been cul- tivated in the laboratory for some time. These studies, however, are not extensive enough to justify as yet the assumption that the two organisms are identical. Diagnosis of White Diarrhea. — The symptoms of white diarrhea are in general the same for the different forms of the disease. They may be briefly stated as follows: The affected chicks appear stupid and remain under the hover or hen much of the time. They isolate themselves from the rest of the flock and appear indifferent to what goes on. Fig. 63. — Ten day White Leghorn chicks showing symptoms of bacillary white diarrhea. (After Rettger and Stoneburn.) about them. Their feathers become rough and the wings droop (cf. Fig. 03). There is progressive loss of weight. The birds eat little or nothing and appear unable to pick up their food. Their actions in this direction are chiefly mechanical. The characteristic whitish discharge from the vent very soon makes its appearance. The discharged mat- ter may be creamy or sometimes mixed with brown. The discharged matter is more or less sticky or glairy. In many cases it clings to the down in sufficient quantity to plug up the vent. This condition is known as "pasting up ; This latter condition, however, is not necessarily indicative of white 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 Pearl, Raymond, 1879-1940; Surface, Frank M. (Frank Macy), 1882- joint author; Curtis, Maynie R. (Maynie Rose), b. 1880, joint author. New York, The Macmillan Company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectpoultry, bookyear1915
