Roger Young's 1981 NBC television film turned the Michigan PBB contamination disaster into a grim story of institutional denial and agricultural ruin. Ron Howard plays Ned De Vries, a young dairy farmer whose cattle begin falling ill despite his insistence that he has used only approved, protein-enriched feed. When local veterinary authorities blame him, De Vries investigates on his own and discovers dead rats near a nest filled with the same cattle feed. His suspicions become more urgent when his wife and children—who never eat the feed—develop headaches, skin problems, and a general illness.
The breakthrough comes through an accidental laboratory clue. A technician explains that a gas-chromatography test was mistakenly allowed to run overnight; near the end of the extended printout, an otherwise unidentified blip appeared in the calf's tissue sample. De Vries takes the charts to Dr. Morton Freeman, who identifies the contaminant as polybrominated biphenyl, or PBB, a flame retardant chemical. The film emphasizes the horrifying biological chain that follows: PBB accumulates in body fat, can pass to humans through contaminated beef and milk, and may be transmitted through breast milk. The source is eventually traced to a feed mill near Battle Creek, where protein additives and PBB flame-retardant chemicals were stored in nearly identical sacks on adjacent pallets, making a catastrophic mix-up possible. A year after the outbreak, De Vries's entire herd is driven into an open pit, shot, and buried—an ending that embodies both the farmers' material losses and the failure of officials to respond before contamination spread.
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