Reference Delivery
Broiler 4-phase nutrition programme — Brazil
Illustrative scenario: Brazilian integrator moving from 2-phase mash to a 4-phase pellet-and-crumble broiler programme with digestible amino-acid balancing, phytase and NSP-enzyme package, targeting a 4-point FCR improvement.
- Brazil
- Country
- Broilers
- Category
- 2M birds/cycle · 4-phase pelleted ration
- Scale
- 3
- Reference outcomes
Load requirements
Design loads used to size housing, utilities and equipment.
Pre-starter (0–7 d)
Crumble, 23% CP, 1.32% dLys
Starter (8–21 d)
3 mm pellet, 21.5% CP
Grower (22–35 d)
3.5 mm pellet, 19.5% CP
Finisher (36–42 d)
4 mm pellet, 18% CP, withdrawal
Enzyme package
Phytase 1500 FTU + xylanase
Pellet quality target
PDI ≥93%, fines ≤4%
System design choices
Why each subsystem was specified the way it was.
| Area | Choice | Rationale |
|---|---|---|
| Formulation | Digestible amino acid + net-energy system | Total-AA and ME systems overestimate low-quality proteins — dAA/NE captures true bird response. |
| Phase transitions | 48 h overlap bins to blend feed change | Sharp phase transitions drop intake ~6% for 24 h; blended bins hold growth curve. |
| Pellet quality | Double conditioner + 5 mm die, PDI monitored per shift | Fines cut intake and FCR; per-shift PDI catches die wear before flocks see it. |
| Enzymes | Phytase 1500 FTU + xylanase in all phases | Releases phytate-bound P and reduces viscosity from wheat/soy NSP — direct FCR and litter benefit. |
| Water | Chlorination + weekly line flush + acidifier in starter | Water quality is the invisible ration; acidified starter water improves early gut development. |
Results
Representative KPIs achieved on projects of this scope.
FCR (2.3 kg)
1.58
Mortality
3.1%
ADG
62 g/day
EPEF
425
Feed cost / kg live
R$3.42 (was R$3.68)
Representative outcomes
- Typical scope: 4 phases (pre-starter/starter/grower/finisher)
- Typical outcome: FCR 1.62 → 1.58 at 2.3 kg live
- Typical outcome: European Production Efficiency Factor 405 → 425
Note: This case study is an anonymized reference scenario. Specific client identities, contract values and commercial terms are withheld under NDA. Figures reflect typical outcomes for projects of this scope and are not a guarantee for your project.
