On Texas-Mexico border, 'tick riders' fight a little big disease
Thursday, August 30, 2012 - 01:00
in Paleontology & Archaeology
For decades, cowboys known as 'tick riders' have patrolled the U.S.-Mexico border to prevent cattle carrying 'fever ticks' from entering.LAREDO, Texas — The two cowboys knew the Red Angus calf could be trouble as soon as they spied it cowering behind a green patch of mesquite near a bluff north of the Rio Grande.