Chinese pet food ingredients* spiked with a potentially dangerous chemical found their way into U.S.- manufactured pet food - as well as feed for hogs, chicken and farmed fish. After numerous pet deaths were attributed to the chemical, the FDA called for a series of recalls and quarantines beginning in March. Here is how the tainted ingredient spread.
SOURCE: Food and Drug Administration | GRAPHIC: Seth Hamblin, Todd Lindeman and Nathaniel Vaughn Kelso , The Washington Post - May 20, 2007
