How do we encourage pet food companies to change the way they do business?

Question by Kathryn E: How do we encourage pet food companies to change the way they do business?
Now that many of our pets have died, and many pet food manufacturers (including Purina) are recalling their products, how do we go about changing the way that pet food companies conduct their business? How do we insist that they stop outsourcing their business to suspect countries, suspect vendors, thereby endangering our precious pets? Humans will be next to be endangered by the "outsourced"

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