the cattle are often downers or old dairy cows
the meat is very tough and not readily digested, the grinding makes it easy to swallow, but does nothing in terms of softening the cut fibers
any legal scd food can be rotated though the nutritionally positive to nutritionally very negative depending on cooking, season, growing conditions and storage and an unthinking attitude to this is one of the reasons the diet is uneven in its success
some butchers illegally add sulphites to mince to stop rapid discolouration and spoiling, sulphites waste the b vitamin thiamine