CWD in Plants

cwd_map 9-30-13Plants, including crop plants such as alfalfa and tomatoes, may serve as a reservoir for the prions, or misfolded proteins, that cause chronic wasting disease in deer (as well as other prion diseases such as scrapie in sheep, and mad cow disease), reports WisconsinWatch after a careful reading of the The Wildlife Society conference program.

WisconsinWatch is produced by the Wisconsin Center for Investigative Journalism. And they certainly investigated here.

Christopher Johnson, U.S. Geological Survey’s National Wildlife Health Center will present a talk on his research at the conference on October 7.

Oh, and Johnson found that the prions from plants were infectious when injected into mice.

I’m going to skip right over the scary prospect of plants as a reservoir for prion diseases and go right to the next point made in the WisconsinWatch article: this finding is not going to change the fact that the Wisconsin Department of Natural Resources has pretty much given up on managing CWD in the state.

Johnson’s findings have not yet been published in a scientific journal, and it appears that the National Wildlife Health Center has not yet released a report or a press release on the research.

Find The Wildlife Society Conference abstract here.
Read the WisconsinWatch article here.

Map: Incidents of CWD, courtesy of USGS National Wildlife Health Center

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