The damage resulting to the southern purchaser of northern purebred or high-grade cattle is another item of no small moment.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
In the case of very valuable purebred animals and under exceptional circumstances it may be more advantageous to retain the reacting animals which are in good condition in order to breed from them and in that manner avoid the excessive loss which would follow from their immediate slaughter.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
In each herd the purebred Shorthorn bull was tuberculous.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler