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ID#:12911
Description:From the “Illustrated Manual for the Recognition and Diagnosis of Certain Animal Diseases”, published in 1982, by the Mexico-United States Commission for the Prevention of Foot and Mouth Disease, this photograph, which is a closer view of PHIL 12910, was taken at a bovine necropsy, and depicts a cut-section of lung tissue revealing how the interlobular septae become distended with fibrinous connective tissue, demarcating lobules in various stages of hepatization, which is a typical pleural phenomenon in a contagious bovine pleuropneumonia (CBPP) infection. The appearance of this lung tissue is sometime referred to as “marbled lung disease”.
A bacterial infection, CBPP “is a specific disease of cattle, caused by Mycoplasma mycoides subsp. mycoides. It is highly infectious, and occurs in acute, subacute, and chronic septicemic forms. It’s incubation period is up to from 3-6 months, though in more susceptible cattle, incubation may be as short as 10-14 days. Initial signs are fever, cessation of rumination, and severe cough after exercise. Other signs are an arched back, chest pain, distended elbows, and extended head and neck. Grunting expiration, shallow rapid breathing with fluid sounds, followed by gurgling rales, pleuritic friction, and areas of dullness on percussion follow.”
High Resolution: Click here for hi-resolution image (18.35 MB)
Content Providers(s):CDC/ Dr. Jerry J. Callis, PIADC/Dr. Brian W.J. Mahy, CDC
Creation Date:1982
Photo Credit:
Links:Plum Island Animal Disease Center (PIADC) - United States Department of Agriculture (USDA) – Agricultural Research Service (ARS) – U.S. Department of Homeland Security
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Copyright Restrictions:None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.

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