Reacting to the U.S. Tenth Circuit Court of Appeals’ ruling - denying a motion by the Oklahoma attorney general for a preliminary injunction to prohibit the use of poultry litter as a fertilizer in the Illinois River Watershed - Tyson Foods said it was another proof that Attorney General Drew Edmondson lacked evidence to support his claims.

The company said Edmondson failed to prove that the bacteria in the Illinois River came from poultry litter used as fertilizer.

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Speaking on behalf of the poultry companies, Tyson Foods said use of poultry litter is regulated by the states of Arkansas and Oklahoma and all litter that is applied in the Illinois River Watershed is done so under a permit issued by one of the two states. 

The company said Edmondson had failed to provide any evidence that poultry producers are violating state regulations.