. Diseases of poultry; their etiology, diagnosis, treatment, and prevention. Poultry. J]liite Diarrhea 289 of cases the hen is the source of the infection. It has been fairly well proven that female chickens recovering from white diarrhea become bacillus carriers. In such birds these bacteria are found particularly in the ovary. In this. Fig. 60. — The normal ovary of a laying hen. and Jones.) (After Rettger, Kirkpatrick organ they cause many of the developing ova to become abnormal and undergo degeneration as shown in Fig. 61. INIany of the yolks which do not degenerate contain these bacteria
. Diseases of poultry; their etiology, diagnosis, treatment, and prevention. Poultry. J]liite Diarrhea 289 of cases the hen is the source of the infection. It has been fairly well proven that female chickens recovering from white diarrhea become bacillus carriers. In such birds these bacteria are found particularly in the ovary. In this. Fig. 60. — The normal ovary of a laying hen. and Jones.) (After Rettger, Kirkpatrick organ they cause many of the developing ova to become abnormal and undergo degeneration as shown in Fig. 61. INIany of the yolks which do not degenerate contain these bacteria. These infect the chick which hatches from such an egg. These chicks then serve to infect others in the incubator or in the brooder. This is undoubtedly one of. 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
