The holding pens at the Cuernavaca, Mexico, city slaughterhouse hold only a handful of cattle Sept. 9, 2014. The slaughterhouse was shut down for a month earlier this year when two animals tested positive for clenbuterol, a banned growth enhancer. (Tim Johnson/McClatchy).
The holding pens at the Cuernavaca, Mexico, city slaughterhouse hold only a handful of cattle Sept. 9, 2014. The slaughterhouse was shut down for a month earlier this year when two animals tested positive for clenbuterol, a banned growth enhancer. (Tim Johnson/McClatchy). McClatchy
The holding pens at the Cuernavaca, Mexico, city slaughterhouse hold only a handful of cattle Sept. 9, 2014. The slaughterhouse was shut down for a month earlier this year when two animals tested positive for clenbuterol, a banned growth enhancer. (Tim Johnson/McClatchy). McClatchy

Banned growth chemical remains a problem in beef in central Mexico

October 07, 2014 2:58 PM