But if time is not pressing it is sometimes best to begin with a lower strength, say 0.14 or 0.15 per cent, and gradually work up to full strength as the cattle become accustomed to the treatment.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
19 0 0 g ...
"Second Shetland Truck System Report"
William Guthrie
7 4 0 d ...
"Second Shetland Truck System Report"
William Guthrie