South Texas Fever Tick Infestation Grows

Since 2003, there has been a 750 percent increase in fever-tick infestations in South Texas, according to a report by the U.S. Department of Agriculture: There were 19 confirmed cases back then but 146 in 2009. It’s the worst situation in 37 years.

The war between the tick — which carries an anemia-causing parasite that preys on cattle blood cells and bloats cattle organs, oftentimes leading to their inevitable death — and the ranchers and government officials charged with thwarting its migration past the permanent quarantine or “buffer” zone has lasted more than a century. The permanent zone stretches roughly ...

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