Canned foods are praised for their convenience and long shelf life, but they also pose risks such as botulism due to improper sealing during manufacturing. Some of the largest canned food recalls in the U.S. have been caused by contamination issues, such as Tri-Union Seafoods’ tuna cans with defective pull tabs, Conagra’s spoiled meat and poultry cans, and Hill’s Science Diet’s dog food with excessive levels of vitamin D, leading to customer complaints and lawsuits.
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