In that case, Tyson argued it should not be liable for pollution because its farms had approved plans with the state on how to dispose of the waste, which is often sold as fertilizer to other farmers.
However, a federal judge ruled last year that Tyson and the other companies were responsible for the pollution. The state and companies failed to reach an agreement after a court-ordered mediation, and a final order from the judge is still pending.
Earlier this year, Investigate Midwest reported how lawmakers had originally attempted to end the ongoing lawsuit between the state and Tyson through this new bill, but the retroactive language was removed after some questioned its legality.
But in the years since that lawsuit, state lawmakers have taken multiple steps to deregulate the growing poultry industry and shield it from legal attacks.
Last year, Investigate Midwest reported how the state allows large poultry farms to avoid a more restrictive registration process and construct buildings that house thousands of chickens closer to homes and neighborhoods.
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