What fly spray has been successful for you? On cows in pasture we use a straight undiluted pour on. I f we use anything that gets mixed with water the Iowa rain and humidity will dilute it. What is a good fly spray for show calves? We use an undiluted spray for the same reason. Has any one come up with with a more natural fly spry that works and is safer for man, cattle, and the environment?
we use an undilutted
we use an undilutted