So the number of times that successive inoculations are made to multiply the spawn, the manufactured products are removed that many generations from the natural spawn.
"Studies of American Fungi. Mushrooms, Edible, Poisonous, etc."
George Francis Atkinson
The largest number of inoculations were caused by the slaughtering, opening, and skinning of animals affected with anthrax; hence, the butchers suffered most extensively.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
Both the cattle and the hogs had been tested with tuberculin and found to be free from tuberculosis before the inoculations were made.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler