Topics:
Animal Nutrition, Animal Refresher
Ideal Crop Type for Silage
Crop suitable for silage making should be:
- Crop with thick stem — Correct Answer
- Leafy fodder
- Crop with thin hollow stem
- All the above
Explanation:
Correct Answer: Crop with thick stem
Crops with a thick, fleshy stem are preferred for silage making. The thick stem stores abundant soluble sugars and moisture, which are essential substrates for lactic acid bacteria (LAB) during anaerobic fermentation. Classic examples include Maize (Zea mays), Sorghum (Jowar), and Bajra.
Crop Characteristics for Silage vs Hay
| Property | Silage Crop | Hay Crop |
|---|---|---|
| Stem type | Thick, fleshy (moisture-retaining) | Thin, hollow (dries rapidly) |
| Leaf:stem ratio | Lower leaves acceptable | Leafy (high leaf:stem ratio) |
| Sugar content | High (for LAB fermentation) | Moderate |
| Best crops | Maize, Sorghum, Bajra | Oat (Avena sativa), Lucerne |
| Moisture content | 60–70% (retained in silo) | 12–14% (dried in sun) |
Best Silage Crops
- Best overall: Maize (Zea mays) — high sugar content, thick stem, excellent LAB substrate.
- Best legume silage: Lucerne/Alfalfa (requires molasses addition due to high buffering).
- Crops with <3% soluble sugar → add 3–3.5% molasses to facilitate fermentation.
Why Other Options Are Wrong
- Leafy fodder → preferred for hay (dries quickly); not ideal for silage.
- Crop with thin hollow stem → suitable for hay making (rapid drying); low sugar content is poor for silage.
- All the above → hay crops and silage crops have different requirements.
📚 About this Topic — Animal Nutrition
This multiple choice question is from Animal Nutrition, Animal Refresher. It has 4 options with a detailed explanation of the correct answer. Practice more MCQs from Animal Nutrition to strengthen your preparation.
