Silage vs Gusa vs Green Fodder: What the Numbers Actually Say

Ask any three farmers what to feed and you get three answers: gusa (dry straw), green fodder, or silage. All three have a place — but they are not equal. Here is the comparison, with the numbers Indian research institutions publish.

Gusa / dry straw: roughly 90% dry matter, 3–4% crude protein, 40–45% digestibility. It is cheap per kilo and stores easily — but 20–30% is refused at the manger as hard stems, and its price triples every summer precisely when you need it most. As a sole ration it maintains weight at best; it does not make milk.

Green fodder: the gold standard when available — berseem in winter, maize and jowar in season — about 20–25% dry matter with excellent protein and intake. Its fatal flaw is seasonality: green disappears from April to June across most of India, and daily harvesting labour is heavy. ICAR-IGFRI estimates India runs a persistent green fodder deficit of over 11% — the gap is structural, not accidental.

Silage: 30–35% dry matter, 8–9% crude protein, 65–70% digestibility, 12-month storage life, under 5% wastage. It is not a replacement for grazing when green is abundant; it is the consistency layer that removes seasonality from the equation entirely. NDDB's ration balancing programme consistently shows that balanced rations — silage plus concentrate plus minerals — raise milk yield and cut feeding cost per litre at the same time.

The verdict in one line: green when it grows, silage when it doesn't, gusa only as filler — never as the plan. The farms and gaushalas that win are the ones that decide their fodder calendar in advance instead of buying panic in May.