Quinin, arsenic, methylene blue, and other drugs have been used, but without success.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
The larger body on the right b is a white blood corpuscle, also stained with methylene blue.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
The Texas-fever microbes a are shown as pear-shaped bodies, stained with methylene blue, within the red corpuscles.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler