. Poultry diseases and their treatment. Poultry. RESPIRATORY DISEASES 151 shut), and quite frequently there is a bulging of the sinus (cavity) in front and below the eye. This is due to an accumulation of the inflammatory pro- ducts in this sinus. Fig. 47 illustrates this com- mon swelling. 2. The diphtheric type.—This, type affects the mouth. This often accompanies the nasal form. Fig. 48 illustrates these diphtheric ulcerations, which are yellowish or yellowish-white in Fic. 47. Roup in a Chicken A, Bulging of infraorbital or maxillary sinus. From these necrosing patches the disease
. Poultry diseases and their treatment. Poultry. RESPIRATORY DISEASES 151 shut), and quite frequently there is a bulging of the sinus (cavity) in front and below the eye. This is due to an accumulation of the inflammatory pro- ducts in this sinus. Fig. 47 illustrates this com- mon swelling. 2. The diphtheric type.—This, type affects the mouth. This often accompanies the nasal form. Fig. 48 illustrates these diphtheric ulcerations, which are yellowish or yellowish-white in Fic. 47. Roup in a Chicken A, Bulging of infraorbital or maxillary sinus. From these necrosing patches the disease receives its name, avian diphtheria. 3. The ocular type.—^In this form there is first noted an inflammation of the mucous membrane covering the anterior portion of the eyeball (con- junctivitis). As the disease progresses, the ca- tarrhal product accumulates as a watery, clot-like mass, whitish in color. The eyelids stick together and hold the material as it accumulates, till the part bulges outward. There is noted sneezing, shaking the head, and. 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 Kaupp, Benjamin Franklyn, 1874-; Campbell, Delwin Morton, 1880- ed. Chicago, American Journal of Veterinary Medicine
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