Cattle fever ticks are parasites that transmit a deadly disease that had been eradicated from the United States since the late 1940s. However, cattle fever ticks are still present in other parts of the world, and continually return to the border area of the United States from Mexico via deer, stray livestock and from nilgai, an antelope species originally from India, which were brought to the United States as zoo animals in the 1920s and were later released in South Texas.
If cattle fever ticks were to reestablish in the United States, then it would affect cattle production, trade and…