Corn is the energy base of most poultry rations worldwide — typically 50-70% of a broiler diet by weight — and its price movement is the single largest feed-cost variable a grower faces. Ground yellow corn contributes dietary energy (typically around 3,300-3,500 kcal/kg metabolizable energy, varying by variety, moisture, and analysis), moderate protein (roughly 7-9% crude protein), and carotenoid pigments that influence skin and egg yolk color. This page covers what corn contributes to poultry rations, the variability that matters between loads, and why its price dominates the feed budget.
What Corn Contributes
| Contribution | Typical Range | Role In The Ration |
|---|---|---|
| Metabolizable energy | ~3,300-3,500 kcal/kg (varies by moisture and analysis) | The ration's energy backbone — most broiler diets are built around the corn energy level first, then protein sources balanced against it |
| Crude protein | ~7-9% | Low-quality protein — corn's amino acid profile is low in lysine, which is why soybean meal (or synthetic lysine) fills the gap. See the soybean meal guide |
| Carotenoids (yellow corn) | Varies by variety | Skin and yolk pigmentation — a quality signal in some markets, irrelevant in others |
| Fiber | ~2-3% (higher in whole corn) | Low — one reason corn digests efficiently in poultry |
Variability Between Loads
- Moisture is the hidden price variable. Corn sold at 15% moisture versus 13% delivers less nutrition per ton — a load that tests wetter than expected is effectively a price increase. Moisture-adjusted pricing is standard in grain trade; knowing your supplier's basis protects the budget.
- Mycotoxins are the safety variable. Corn is susceptible to aflatoxin and other mycotoxins in poor storage or adverse harvest conditions — a risk that grows as corn sits. The feed storage guide covers the moisture and condition checks that limit it.
- Color and variety signal composition. Yellow corn carries carotenoids; white corn does not. Neither is "better" for broilers — the choice is market-driven (yolk color expectations) rather than nutritional.
Why Corn Price Dominates The Feed Budget
At 50-70% inclusion, a $0.05/bushel-equivalent move in corn's delivered price shifts the whole feed bill meaningfully — the feed budget guide works the math on the example flock, where feed is 85-90% of total cost. The feed cost guide covers the leak side (spoilage, spillage, waste); the budget template projects the next placement from your own consumption history at your own prices. Formulation-side, corn's lysine gap is filled by soybean meal or synthetic amino acids — the methionine guide covers the amino acid balance that decides how much of the expensive protein source you actually need.
Tracking Corn In Poultry Log™
Feed deliveries logged by weight, phase, and price let the ration's largest ingredient be tracked where its cost impact lands: per flock, per pound produced. The feed consumption chart gives the intake curve; the break-even price shows what corn movement does to the per-pound floor; and the profitability dashboard carries the trend across flocks.
- 2026-10-06: Comprehensive rewrite — composition table with typical literature ranges and variability framing, money-linkage section, and formulation disclaimer — replacing the earlier boilerplate version.
- Earlier version: short first-person note on corn as an energy source.