Officers of the Allied air forces were held in special camps called Stalags Luft but were accorded the required preferential treatment.
In Oflag XIII-B when a dead horse was brought into the camp, its total weight (including head, bones, etc.)
[1][2] There were other notable exceptions to how the Geneva Convention was applied, for example the execution of recaptured prisoners, specifically from Stalag Luft 3 and Oflag IX-C.
[3] American and British POWs were originally exempt from it (except in special cases – like air force bomber crews and commandos).
The "Great Escape" at Stalag Luft III later that month caused the Germans to remove this protection from British POWs.