Florida officials are seeking information about potentially anti-competitive practices by Tyson Foods (TSN) - Get Report related to the chicken pricing index known as Georgia Dock which was formerly published by the Georgia Department of Agriculture. 

State officials suspended the index based on concerns that large companies like Tyson could manipulate the index. 

Tyson, Sanderson Farms (SAFM) - Get Report and other large chicken producers have been under scrutiny as customers and farmers have been increasingly vocal about their concerns of price fixing. 

Tyson Foods shares were down more than 6% Monday afternoon following weaker than expected first quarter results. 

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