ROSENFELD IMAGES LTD / SCIENCE PHOTO LIBRARY ROSENFELD IMAGES LTD / SCIENCE PHOTO LIBRARY
Meat inspection. Butcher checking the quality of meat in suspended pig carcasses by measuring the electrical conductivity of cell fluids. The device in his hand passes an electric current between two electrodes. The conductivity of the meat will be affected by its exact composition. Photograph of a check for the presence of PSE or DFD meat; these are inferior grades of meat.
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