The Flieg score index is frequently used to evaluate the silage quality of gramineous forages, such as corn silage.
Note: Score 81-100 (Very Good), 61-80 (Good), 41-60 (Medium), 21-40 (Low), 0-20 (Poor).
The V-score index is commonly applied to assess the silage quality of leguminous forages, such as alfalfa silage.
Note: < 60 (Bad), 60–80 (Moderate), 81–100 (Good).
The RFV index, which is associated with animal nutrition, is often utilized for forage evaluation.
Quality Scale: >151 (Top), 125–151 (1st), 103–124 (2nd), 87–102 (3rd), 75–86 (4th), <75 (5th).