Following abortion there is a dirty, yellowish-gray mucopurulent discharge which persists for two or more weeks.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
Afterwards, as the symptoms increase in severity, the discharge becomes mucopurulent.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
The mucous membrane first becomes dry; afterwards a watery discharge appears, and later, in severe cases, the discharge becomes mucopurulent.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler