The efficacy of repellents against these flies is probably, however, not very great.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
One of the fly repellents mentioned above may be applied to cattle to protect them from stable flies.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
The numerous proprietary fly repellents to be found on the market are usually more expensive, and often less efficacious than homemade mixtures.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler