Classification Special A Classification Special B Classification Special C Classification Index Item Crude protein% ≤65 ≤62 ≤60 Crude fat% ≤10 ≤10 ≤10 Moisture% ≤9 ≤9 ≤10 Salt% ≤1.5 ≤1.5 ≤2 Soil% ≤1.2 ≤1.2 ≤2