Tick Disease Information

Tick Disease Information

The United.States Department of Agriculture (USDA), Animal and Plant Health Inspection Service (APHIS), Veterinary Services’ (VS) Cattle Fever Tick Eradication Program has issued a Finding of No Significant Impact (FONSI) for the Environmental Assessment (EA): Cattle Fever Tick Eradication Program Use of Ivermectin Corn.  To manage the threat associated with cattle fever tick infestation, APHIS proposed to treat white-tailed deer with ivermectin, a broad spectrum anti-parasitic drug, to control tick vectors of cattle fever in in South Texas. 

This cattle fever tick eradication effort in South Texas involves feeding white-tailed deer ivermectin-treated corn from a closed gravity feeder placed in areas where cattle fever tick infestation is a concern. Ivermectin is a widely used anti-parasitic drug in humans, livestock, and pets. Treated corn is placed in the gravity flow feeders from February through July to control cattle fever ticks in deer populations. Each feed site includes one gravity flow feeder. In areas with non-target animals (such as hogs, javelina, or livestock) in the vicinity, feeders are enclosed with welded wire panels to exclude non-target animals. Human exposure and risk is very low for the general public.

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