Bronchial and Mediastinal lymph glands contained numerous tuberculous foci, and the pericardium, peritoneum, spleen, and liver also were affected.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
Two proved acutely fatal in cattle after eight to nine weeks; 4 likewise produced a generalized tuberculosis, but which certainly had a more chronic course, while 1 of the cultures caused only an infiltration at the point of inoculation, with some caseous foci in the adjoining prescapular gland and in one of the Mediastinal glands, and there was lacking the spreading of the tuberculosis over the entire body which they were accustomed to see after the injection of cultures of bovine tuberculosis.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
No satisfactory explanation of the sudden onset of the symptoms is forthcoming, but it appears to be associated with something which suddenly narrows the Mediastinal space, such as backward bending of the head, or venous engorgement of the thymus gland.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition."
Alexander Miles Alexis Thomson