. The diseases of poultry . Poultry; 1899. DISEASES OF POULTRY. 57 gillus glaucus, and Aspergillus candidus. Usually these fungi are found in nature growing upon dead organic matter; but they have great vegetative and resisting power and are able to adapt themselves to various conditions of existence. Many species of birds are affected by them, the dis- ease caused by their develop - ment having been observed in pig- eons, pheasants, fowls, ducks, geese and swans, as well as in vari - ous cage and wild birds. Pam- pered and deli- cate birds are be- lieved to be most frequently at- tacked. The
. The diseases of poultry . Poultry; 1899. DISEASES OF POULTRY. 57 gillus glaucus, and Aspergillus candidus. Usually these fungi are found in nature growing upon dead organic matter; but they have great vegetative and resisting power and are able to adapt themselves to various conditions of existence. Many species of birds are affected by them, the dis- ease caused by their develop - ment having been observed in pig- eons, pheasants, fowls, ducks, geese and swans, as well as in vari - ous cage and wild birds. Pam- pered and deli- cate birds are be- lieved to be most frequently at- tacked. The dis- ease may take on the characters of an epizootic and attack a large number of indi- viduals. Symptoms.—In the early stages of the disease no symptoms are noticed, and it is only after it has progressed considerably that these be- come apparent. The affected birds do not follow the flock; they are very weak, scarcely able to stand, and,. Fig. 9.~DiagTammatic representation of the air" sacs showingr their relation to each other, and to the lungs. A, trachea; B, interclavicular sac; C, D,E, F, extensions of the interclavicular sac; <J, anterior thorocic sac; H, humerus; I, poster- ior thoracic sac; J, entrance of bronchial tuem- 1)rane; K, abdominal 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 Salmon, D. E; Leeney, Harold. fmo; Cornell University. College of Veterinary Medicine. Flower-Sprecher Veterinary Library. fmo. Washington, D. C. : G. E. Howard & Co.
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Keywords: ., bookauthorco, bookcentury1800, bookdecade1890, booksubjectpoultry
