Only 1 of 500 Mississippi River samples test positive for invasive carp

<> Only 1 of 500 Mississippi River samples test positive for invasive carp - Water samples from southeastern Minnesota pools of the Mississippi River that were collected in August and analyzed in December indicate only a small presence of bighead carp eDNA, according to the MN Department of Natural Resources. Bighead & Silver Carp eDNA Early Detection Results: 2014 Upper Mississippi River