Heather Smith Thomas
The battle against flies is constant, but there are ways to reduce the numbers of these costly pests—without pesticides and toxic chemicals. Fly control tactics have changed a lot in the past several decades. After the advent of pesticides, the emphasis was on spraying the premises or use of chemicals on the animals themselves (pour-ons, back rubbers, insecticide ear tags, etc.) but now we realize that some flies are developing resistance to these chemicals, and we’ve also become more concerned with the environment. Use of pesticides can be harmful to beneficial insects as well as the ones we are trying to control.
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