With respect, I suggest that you read Immortal Captives, The Story of Six Hundred Confederate Officers and the United States Prisoner of War Policy by Mauriel Phillips Joslyn.
A number of these officers were starved to death on quarter rations of wormy food. By March 1865, most were unable to walk. The six hundred were famous across the South, but they probably didn't make into Northern history books.
A number of these officers were starved to death on quarter rations of wormy food.
These men were treated 'like for like' as retribution for the abuse of black Union POW's in rebel hands.
Walt