Iowa State University Veterinarian Records, RS 22/6/0/9, University Archives, Special Collections Department, Iowa State University, http://www.add.lib.iastate.edu/spcl/arch/rgrp/22-6-0-9.html
On August 5, 1980, a dead 950 pound steer was submitted to the Iowa Veterinary Diagnostic Laboratory for necropsy (IVDL Case 18274). The history included acute dyspnea, raspy cough, a temperature of 40.5-41.7 C (105-107 F) in 20 out of 125 animals and two death.s These cattle had been purchased on July 17, 1980 and first noticed sick on August 4, 1980. The tentative diagnoses were Hemophilus pneumonia and viral pneumonia. Treatment included intravenous tetrayccline and intramuscular penicillin and resulted in a "fairly good" response.
Ficken, Martin D.; Kluge, J. P.; and Slife, L. N.
"Atypical Interstitial Pneumonia in the Bovine,"
Iowa State University Veterinarian: Vol. 43
, Article 1.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol43/iss1/1