what poison are the united states companies  feeding the cattle?
To understand the potential for Mexican cattle and beef trade in the coming years, it is necessary to. consider the Mexican beef cattle industry from a historical perspective as well as in the current. economic environment. The following comments provide a brief overview of the Mexican cattle and. beef industry and the evolving U.S.-Mexico cattle and beef trade relationship. Mexican Beef Cattle Production Environment and History. Since the last half of the 19th century, the Mexican beef cattle industry has consisted of two, nearly. separate, market components. Beef producers in the arid and semiarid northern third of Mexico have. largely focused on the production of calves for export to the United States.