To this decoction is added 1 pound of copper sulphate which has been dissolved in 2 or 3 quarts of boiling water.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
In the absence of either a strong decoction of oak bark may be used.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
Useful household remedies are raw eggs, strong coffee, parched rye flour, or decoction of oak bark.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler