There is usually bronchitis with abundant catarrhal secretion; this plugs up the smaller air tubes, and the lung tissue supplied with air by the tubes collapses.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
It sometimes contains loose, fibrinous plugs, or it may be greatly distended with air, especially in the still normal portions of the lung.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
They were not demonstrative in their expressions of regret, but they thrust upon him little plugs of tobacco, which could not well be replaced there, and several of them told him that, if he struck nothing he liked better, all he had to do was to present himself at this ranch or the other beside blue lake or frothing river when they went back in the spring.
"The Greater Power"
Harold Bindloss W. Herbert Dunton