Poultry Feed Formulation Guide for Broilers and Layers

What is Poultry Feed Formulation?

Poultry feed formulation is the science of combining ingredients to create balanced diets that meet all nutritional requirements of birds at specific growth stages. According to the MSD Veterinary Manual, poultry require at least 38 nutrients in their diets in appropriate concentrations and balance.

This resource covers broiler starter through layer finisher feeds with complete ingredient analysis, nutritional targets, cost-saving strategies, and feed safety protocols used by successful poultry operations worldwide.

Quick Navigation

• 1. Poultry Feed Formulation Basics
• 2. Complete Feed Formulation Tables (Broiler & Layer)
• 3. Ingredient Analysis and Functions
• 4. Cost Optimisation Strategies
• 5. Feed Safety and Best Practices
• 6. Frequently Asked Questions

1. Understanding Poultry Feed Formulation Basics

Poultry feed accounts for 60-70% of total production costs, making feed formulation your most powerful lever for profitability. However, formulating effective poultry feeds requires understanding the nutritional science behind successful production.

The Six Key Nutritional Principles for Poultry Feed

1. Energy Supply: Drives all metabolic processes. Measured in kcal/kg of metabolizable energy (ME). Birds prioritise energy intake over other nutrients.
2. Protein & Amino Acids: The building blocks of muscle, feathers, and eggs. Essential amino acids (especially methionine and lysine) often limit diet quality.
3. Minerals & Electrolytes: Calcium and phosphorus are critical for skeletal development and egg production. Balance is essential—excess calcium reduces other mineral absorption.
4. Vitamins: Act as enzyme cofactors. Vitamins A, D, E, and K are fat-soluble and require fat for absorption. B vitamins support energy metabolism.
5. Water Integration: While often overlooked, water represents 70% of a bird’s body weight and is essential for nutrient transport and thermoregulation.
6. Anti-Nutritional Factor Management: Some ingredients contain compounds that interfere with nutrient absorption. Proper processing reduces these factors.

Regulatory Framework & Standards

Hitting the NRC minimum for each nutrient on paper doesn’t guarantee performance. Birds respond to the balance between energy, protein, and amino acids; overshooting one without the others, and you’ve spent on feed without getting the weight gain or egg output to show for it.

The National Animal Nutrition Program maintains official NRC guidelines that serve as the authoritative standard for poultry nutrient requirements. These guidelines have been refined through decades of research and are regularly updated to reflect advances in poultry genetics and production practices.

NRC Poultry Nutrient Requirements

INRA-CIRAD Feed Composition Tables

National Animal Nutrition Program

2. Complete Poultry Feed Formulation Tables

The following tables represent proven broiler feed formulation and layer feed formulation recipes used across commercial and smallholder operations. Each includes specific ingredient percentages and nutritional targets aligned with NRC requirements for poultry production.

Broiler Starter Feed (0-3 Weeks)

Objective: Rapid early growth, strong skeletal development, and strong digestive system establishment.

Ingredient	Percentage (%)	Primary Function	Nutritional Contribution
Maize (Yellow Corn)	45-50	Primary energy source	8.5-9% protein, ~3,350 kcal/kg ME
Soybean Meal (44% CP)	35-40	High-quality protein	44-48% protein, complementary amino acids
Fish Meal (65% CP)	3-5	Lysine and methionine boost	60-70% protein, superior amino acid profile
Wheat Offal	5-8	Fibre and B-vitamin source	15-17% protein, ~2,200-2,400 kcal/kg ME
Groundnut Cake	3-5	Alternative protein diversification	45-50% protein, local availability
Bone Meal	2.5-3	Calcium and phosphorus	24-28% calcium, 12-14% phosphorus
Limestone	0.5-1	Calcium supplementation	35-38% calcium
Salt	0.25-0.3	Electrolyte balance	Sodium and chloride
DL-Methionine	0.15-0.2	First limiting amino acid	99% methionine
L-Lysine HCl	0.1-0.15	Growth amino acid	98% lysine
Vitamin/Mineral Premix	0.25-0.5	Complete micronutrient insurance	All essential vitamins and trace minerals

Nutritional Targets – Broiler Starter Feed

• Crude Protein: 22-24%
• Metabolizable Energy: 2,900-3,000 kcal/kg
• Calcium: 1.0-1.2%
• Available Phosphorus: 0.45-0.5%
• Calcium: Phosphorus Ratio: 2:1
• Lysine: 1.4-1.5%
• Methionine + Cystine: 0.9-1.0%
• Feed Conversion Target: 1.4-1.6 kg feed/kg gain

Broiler Grower Feed (4-5 Weeks)

Objective: Sustained rapid growth with improved feed conversion efficiency.

Ingredient	Percentage (%)	Primary Function	Nutritional Contribution
Maize (Yellow Corn)	50-55	Energy foundation	8.5-9% protein, ~3,350 kcal/kg ME
Soybean Meal (44% CP)	30-35	Protein backbone	44-48% protein, balanced amino acids
Fish Meal (65% CP)	2-3	Amino acid enhancement	60-70% protein, palatability boost
Wheat Offal	6-10	Cost-effective fiber	15-17% protein, digestive support
Groundnut Cake	3-5	Protein diversification	45-50% protein, local sourcing
Bone Meal	2-2.5	Mineral support	24-28% calcium, 12-14% phosphorus
Limestone	0.8-1	Calcium balance	35-38% calcium
Salt	0.25-0.3	Essential minerals	Electrolyte balance
DL-Methionine	0.1-0.15	Amino acid balance	99% methionine
L-Lysine HCl	0.05-0.1	Growth support	98% lysine
Vitamin/Mineral Premix	0.25-0.5	Micronutrient insurance	Complete vitamin and trace mineral package

Nutritional Targets – Broiler Grower Feed

• Crude Protein: 20-22%
• Metabolizable Energy: 3,000-3,100 kcal/kg
• Calcium: 0.9-1.0%
• Available Phosphorus: 0.4-0.45%
• Calcium: Phosphorus Ratio: 2:1
• Lysine: 1.2-1.3%
• Methionine + Cystine: 0.8-0.9%
• Feed Conversion Target: 1.8-2.0 kg feed/kg gain

Broiler Finisher Feed (6-8 Weeks)

Objective: Maximum weight gain achievement with optimal feed conversion ratio (FCR) and carcass quality.

Ingredient	Percentage (%)	Primary Function	Nutritional Contribution
Maize (Yellow Corn)	55-60	High-energy foundation	8.5-9% protein, ~3,350 kcal/kg ME
Soybean Meal (44% CP)	25-30	Protein maintenance	44-48% protein, essential amino acids
Fish Meal (65% CP)	1-2	Amino acid fine-tuning	60-70% protein, palatability
Wheat Offal	8-12	Economic fibre source	15-17% protein, digestive support
Groundnut Cake	3-5	Supplemental protein	45-50% protein, local availability
Bone Meal	1.5-2	Skeletal support	24-28% calcium, 12-14% phosphorus
Limestone	0.8-1	Calcium provision	35-38% calcium
Salt	0.25-0.3	Electrolyte maintenance	Sodium and chloride
DL-Methionine	0.08-0.12	Finishing amino acid	99% methionine
L-Lysine HCl	0.03-0.08	Final growth support	98% lysine
Vitamin/Mineral Premix	0.25-0.5	Complete nutrition	All essential vitamins and minerals

Nutritional Targets – Broiler Finisher Feed

• Crude Protein: 18-20%
• Metabolizable Energy: 3,100-3,200 kcal/kg
• Calcium: 0.8-0.9%
• Available Phosphorus: 0.35-0.4%
• Calcium: Phosphorus Ratio: 2:1
• Lysine: 1.0-1.1%
• Methionine + Cystine: 0.7-0.8%
• Feed Conversion Target: 2.0-2.2 kg feed/kg gain

Layer Starter Feed (0-6 Weeks)

Objective: Strong pullet development to maximise future laying performance and longevity.

Ingredient	Percentage (%)	Primary Function	Nutritional Contribution
Maize (Yellow Corn)	50-55	Energy for growth	8.5-9% protein, ~3,350 kcal/kg ME
Soybean Meal (44% CP)	30-35	Development protein	44-48% protein, essential amino acids
Fish Meal (65% CP)	3-5	Quality amino acids	60-70% protein, superior profile
Wheat Offal	5-8	Digestive health support	15-17% protein, B-vitamins
Groundnut Cake	2-4	Protein variety	45-50% protein, local sourcing
Bone Meal	2.5-3	Skeletal foundation	24-28% calcium, 12-14% phosphorus
Limestone	0.5-0.8	Early calcium needs	35-38% calcium
Salt	0.25-0.3	Mineral balance	Electrolyte regulation
DL-Methionine	0.15-0.2	Critical amino acid	99% methionine
L-Lysine HCl	0.1-0.15	Growth amino acid	98% lysine
Vitamin/Mineral Premix	0.25-0.5	Comprehensive nutrition	All essential micronutrients

Nutritional Targets – Layer Starter Feed

• Crude Protein: 20-22%
• Metabolizable Energy: 2,800-2,900 kcal/kg
• Calcium: 1.0-1.2%
• Available Phosphorus: 0.45-0.5%
• Calcium: Phosphorus Ratio: 2:1
• Lysine: 1.2-1.3%
• Methionine + Cystine: 0.8-0.9%

Layer Grower Feed (7-18 Weeks)

Objective: Proper body weight achievement and reproductive tract development for optimal future production.

Ingredient	Percentage (%)	Primary Function	Nutritional Contribution
Maize (Yellow Corn)	55-60	Sustained energy	8.5-9% protein, ~3,350 kcal/kg ME
Soybean Meal (44% CP)	25-30	Development protein	44-48% protein, amino acids
Fish Meal (65% CP)	1-3	Amino acid support	60-70% protein, palatability
Wheat Offal	8-12	Economic nutrition	15-17% protein, digestive support
Groundnut Cake	3-5	Protein source	45-50% protein, local availability
Bone Meal	2-2.5	Bone development	24-28% calcium, 12-14% phosphorus
Limestone	1-1.2	Calcium building	35-38% calcium
Salt	0.25-0.3	Essential minerals	Electrolyte balance
DL-Methionine	0.1-0.15	Feather development	99% methionine
L-Lysine HCl	0.05-0.1	Body maintenance	98% lysine
Vitamin/Mineral Premix	0.25-0.5	Vitamin insurance	Complete micronutrient package

Nutritional Targets – Layer Grower Feed

• Crude Protein: 15-16%
• Metabolizable Energy: 2,700-2,800 kcal/kg
• Calcium: 1.0-1.2%
• Available Phosphorus: 0.4-0.45%
• Calcium: Phosphorus Ratio: 2:1
• Lysine: 0.8-0.9%
• Methionine + Cystine: 0.6-0.7%

In Nigeria, the required Crude Protein (CP) content for layer and grower poultry feeds varies slightly depending on whether you follow the official regulatory standards or look at what commercial feed mills actually package to control costs and bird development.

The breakdown below highlights both the official standards set by the Standards Organisation of Nigeria (SON/NIS 259:2018) and the typical commercial realities observed across popular local brands such as TopFeeds, Chikun, Olam, and Hybrid.

Layer Finisher/Production Feed (19+ Weeks)

Objective: Peak egg production, optimal eggshell quality, and sustained laying performance throughout the production cycle.

Ingredient	Percentage (%)	Primary Function	Nutritional Contribution
Maize (Yellow Corn)	60-65	Production energy	8.5-9% protein, ~3,350 kcal/kg ME
Soybean Meal (44% CP)	18-22	Egg protein source	44-48% protein, amino acids
Fish Meal (65% CP)	1-2	Amino acid optimization	60-70% protein, superior amino acids
Wheat Offal	8-12	Digestive support	15-17% protein, B-vitamins
Groundnut Cake	2-4	Supplemental protein	45-50% protein, local sourcing
Bone Meal	1-1.5	Phosphorus source	24-28% calcium, 12-14% phosphorus
Limestone/Oyster Shell	8-10	Shell calcium	35-38% calcium for eggshell formation
Salt	0.25-0.3	Electrolyte balance	Sodium and chloride
DL-Methionine	0.1-0.15	Feather and egg quality	99% methionine
L-Lysine HCl	0.05-0.1	Maintenance needs	98% lysine
Vitamin/Mineral Premix	0.25-0.5	Production support	Complete vitamin and mineral package

Nutritional Targets – Layer Production Feed

• Crude Protein: 16-18%
• Metabolizable Energy: 2,650-2,750 kcal/kg
• Calcium: 3.5-4.2% (CRITICAL for eggshell)
• Available Phosphorus: 0.35-0.4%
• Calcium: Phosphorus Ratio: 8-10:1
• Lysine: 0.7-0.8%
• Methionine + Cystine: 0.6-0.7%
• Expected Production: 80-90% daily lay rate at peak

Key Things to Keep in Mind

The Grower Gap: You will notice that many commercial feed brands in Nigeria formulate their Grower Mash at 15% to 16% CP, which is lower than the official SON standard of 18%. Local nutritionists often prefer this lower range to prevent pullets from hitting sexual maturity too early before their pelvic bones are fully developed.

• Energy vs. Protein: For growers, the Metabolizable Energy (ME) should stay around 2800 kcal/kg. For layers, it drops slightly to around 2600 kcal/kg because excess energy makes hens fat, lowering egg production.
• The Calcium Shift: While protein levels drop when transitioning from chick to grower feed, calcium requirements skyrocket when moving from grower to layer feed. Layer mash requires a minimum of 3.6% to 4.5% calcium to build strong eggshells, compared to just 1.0% for growers.

3. Complete Ingredient Analysis and Functions

What Each Ingredient Is Doing in the Mix

Each ingredient in poultry feed formulations serves specific nutritional and functional roles. Understanding these roles enables effective ingredient substitution and cost optimisation.

Energy sources

Maize (yellow corn) supplies roughly 70% of the energy in a typical poultry diet, at 8.5–9% protein and about 3,350 kcal/kg ME. It’s the backbone of every formulation above — but it’s also low in lysine and tryptophan, which is exactly why maize never goes in alone. Soybean meal is in this mix specifically to cover that gap, cheapest at harvest, October–December in northern Nigeria.

Wheat offal runs 15–17% protein and 2,200–2,400 kcal/kg ME — cheap energy and fibre, plus B-vitamins that support gut health. Keep it under 15% in broiler diets; push past that and performance drops.

Protein sources

Soybean meal (44% CP) gives 44–48% protein at 2,230 kcal/kg ME, with the most balanced amino acid profile of any plant protein readily available here. Primary Function: Soybean meal has an excellent amino acid profile that complements that of corn, the primary energy source in poultry diets

Check colour before you buy: golden-tan is right, grey or black means it was overheated and the protein’s already damaged.

Fish meal (65% CP) runs 60–70% protein at 2,900 kcal/kg ME and is the strongest source of lysine and methionine on this list, with a palatability boost on top. Senegalese imports tend to run more consistently than fresh-processed local fish meal, though quality still varies by supplier either way.

Groundnut cake offers 45–50% protein at 2,100 kcal/kg ME — cost-effective, especially when soybean meal prices spike, but test every batch for aflatoxin and keep it under 20 ppb.

This is one of the more common sources of contaminated feed in the region, and the symptoms (slowed growth, weaker immunity) often get blamed on disease before anyone checks the feed itself.

Mineral sources

Bone meal delivers 24–28% calcium and 12–14% phosphorus in a form birds can actually use. Buy it sterilised and finely ground — coarse or untreated bone meal means you’re paying for minerals the bird can’t absorb.

Limestone and oyster shell provide 35–38% calcium. For layers, use the coarse grade (2–4mm), not fine powder. Coarse particles dissolve more slowly in the gizzard, which keeps calcium available overnight for shell formation while the hen isn’t eating.

Amino acid supplements

Methionine and lysine are the first and second limiting amino acids in nearly every grain-based poultry diet — a feed that looks adequate on paper will still underperform if these two are short. Synthetic forms are cheap relative to the performance they unlock, especially in young birds still building muscle.

Vitamin and mineral premix

Insurance, plain and simple. It typically runs 1–2% of total feed cost, and cutting corners here is how farmers end up with deficiency-related losses that cost far more than the premix would have. Buy from a supplier you trust, and store it properly. Heat and light degrade vitamin potency fast.

Cutting Feed Costs Without Hurting Performance

Farmers I’ve worked with typically see a 15–25% drop in feed cost from combining the moves below, without giving up performance. The substitutions and sourcing strategies work because they’re targeted, not because you’re cutting quality across the board.

Energy substitutions:

• Cassava chips (dried, properly processed) can replace up to 20% of maize.
• Guinea corn (sorghum) works at 15–30% replacement.
• Sweet potato meal can go in at 10–15%.

Protein substitutions:

• Blood meal (85% CP) can replace up to 25% of your fish meal.
• Locust bean cake substitutes for about 20% of groundnut cake.
• Brewery dried grains work at 5–10% inclusion.

Buy on the calendar, not when you run out. Maize prices typically drop 30–40% during the October–December harvest window — buy then if you have storage capacity. Source soybean meal straight from oil mills, where you can; every middleman in the chain adds margin you’re paying for.

Underused local ingredients:

• Palm kernel cake (PKC) replaces 10–15% of conventional protein sources. Common in southern Nigeria, but it needs proper processing to deal with the fibre.
• Moringa leaf meal is a genuinely strong vitamin and mineral source — it can offset 2–3% of premix needs, and layers respond particularly well to it.
• Rice bran is a solid energy source once properly processed, high in B vitamins and oil. Cap it at 10% in layer diets.

Buy together, store right. A buying group of 5–10 farmers negotiating bulk purchases directly with millers typically cuts ingredient costs 8–15%. Those savings don’t mean anything if poor storage wipes it out — proper airtight storage with pest control prevents the 5–10% spoilage losses that storage mistakes cause, usually for less than people expect it to cost.

Feed Safety: What Wrecks a Batch

Mycotoxins. Aflatoxin from mouldy corn and groundnut products is the most common contamination risk in tropical storage conditions. Source from suppliers you trust, test with rapid kits where you can, and don’t assume a batch is clean just because it looks fine — even low-level contamination cuts immunity and performance by 10–20% before you see visible mould.

Rancid fat. Rancid fat destroys vitamins A, D, and E before the bird eats any of it. If a batch smells off, it is off — trust your nose over the supplier’s word. Antioxidants like BHT or added vitamin E slow the process, but they don’t fix fat that’s already turned.

Mixing. Pre-mix small-volume ingredients like vitamins and amino acids with a carrier before adding them to the batch — dump them in raw and you get uneven distribution no matter how long you mix afterwards. Add liquids gradually. Mix for at least 5–8 minutes, and pull samples to check consistency before calling the batch done.

Pelleting. Steam at 75–85°C. Pellet durability should come in above 85%. Cool pellets to within 5°C of ambient before storage — bag them hot and you trap moisture, which means mould before the bag’s even opened.

Storage That Protects What You Paid For

Keep feed moisture under 12–13% and check it with a moisture meter, not by feel. Ventilate storage properly. Inspect for rodents and insects on a schedule, not just when you notice a problem, and use approved fumigants when you need them.

Rotate stock oldest-first, and label every batch with a production date. In tropical conditions, don’t hold feed longer than three months — nutrient loss and contamination risk both climb past that point.

Avoid entirely: mouldy or heated grains, rancid fats, contaminated protein sources, and salt above 0.5%. Two mistakes that are easy to make even when you know better: over-mixing after pelleting (it breaks pellets into fines you then have to deal with), and storing feed where sunlight reaches it directly.

4. Cost Optimisation Strategies for Poultry Feed Formulation

Feed costs represent 60-70% of production expenses. Strategic ingredient sourcing and substitution can reduce feed costs by 15-25% without sacrificing bird performance.

Strategic Ingredient Substitution Matrix

Primary Ingredient	Substitute Option	Replacement Rate	Cost Savings	Nutritional Notes
Maize	Cassava chips	Up to 20%	15-20%	Monitor cyanide residues; requires proper drying
Maize	Guinea corn/sorghum	15-30%	10-15%	Slightly higher tannin; slightly lower digestibility
Maize	Sweet potato meal	10-15%	12-18%	Requires proper drying to prevent mold
Soybean Meal	Blood meal	Replace 25%	10-12%	85% protein; deficient in isoleucine; combine with others
Soybean Meal	Locust bean cake	Replace 20%	8-10%	45% protein; test for tannins and anti-nutritional factors
Fish Meal	Poultry by-products	Replace 50%	20-30%	65% protein; excellent amino acids; ensure quality sourcing
Limestone	Crushed eggshells	Up to 50%	30-50%	Farm-level collection and sterilisation required

Seasonal Sourcing Strategy for Poultry Feed Costs

Season	Best Ingredient Buys	Typical Price Advantage	Storage Requirements
Harvest (Oct-Dec)	Maize, guinea corn, sorghum	30-40% savings	Proper grain storage; moisture control critical
Post-Harvest (Jan-Mar)	Soybean meal, groundnut cake	15-25% savings	Cool, dry storage; aflatoxin testing essential
Off-Season (Apr-Sep)	None—highest prices	Use stored inventory	Preserve stored inventory from deterioration

Farmer Cooperative Buying Program

Implementation Steps:

1. Form a group of 5-15 farmers with combined monthly feed needs
2. Negotiate directly with millers, processors, and suppliers (bypass middlemen)
3. Establish a buying schedule aligned with seasonal prices
4. Coordinate with 1-2 reliable suppliers for consistency and quality
5. Document pricing, delivery, and quality metrics

Expected Savings: 8-15% cost reduction through volume discounts and direct supplier relationships

Quality Assurance: The group can jointly conduct testing and inspections; distribute testing costs across members

On-Farm Production of Feed Ingredients

Growing High-Protein Legumes: Suitable crops include cowpea (niebe), soybean, groundnut, pigeon pea

Advantages: Complete control over production methods (no pesticides, no aflatoxins), fresh ingredients with maximum nutrient content, costs 50-70% below market prices, crop residues feed ruminants or become compost

Intercropping Strategy: Grow legumes as a rotating crop in the poultry pen area; chickens benefit from grazing, and soil fertility improves

Moringa Leaf Production for Poultry Nutrition

Benefits: Excellent vitamin and mineral source; can reduce premix requirements by 2-3%

Production: Moringa trees produce leaves continuously; harvest and dry for long-term storage

Inclusion Rate: 2-3% of feed formulation

Cost Savings: Eliminates expensive commercial vitamin sources

INRA-CIRAD Feed Tables – Formulation Software Support

5. Feed Safety, Quality Control, and Best Practices

CRITICAL WARNING: Contaminated or poor-quality feed is the #1 cause of preventable production losses in poultry operations. A single batch of mouldy grain can cost you 10-15% of production for an entire flock cycle.

Mycotoxin Contamination: The Silent Killer in Poultry Diets

Aflatoxin Risk and Testing Protocol

Sources: Aspergillus fungus grows on corn, groundnuts, and soybean meal under warm, humid conditions

Impact on Birds:

• Immune Suppression: Reduces resistance to disease by 20-30%
• Growth Depression: Feed conversion ratio worsens by 10-15%
• Mortality Increase: Secondary infections increase due to immune suppression
• Cumulative Effect: Even “safe” levels accumulate over weeks

Testing Protocol: Use rapid dipstick or ELISA kits for field testing (results in 15-30 minutes). Sample from at least 5 different points in each batch. Safe level: Below 20 ppb. Borderline (20-50 ppb): Use only in small amounts mixed with uncontaminated sources. Reject: Above 50 ppb

Prevention: Source from certified suppliers with testing documentation. Store grains at moisture below 12%. Ensure proper ventilation in storage facilities. Monitor for early mold growth (change in smell)

Feed Manufacturing Quality Control

Mixing Protocol for Uniform Poultry Feed

1. Pre-mixing small ingredients: Combine all microingredients (vitamins, amino acids, trace minerals) with a carrier (15-20% of total) before adding to the main batch
2. Carrier Selection: Use a portion of maize or wheat offal as a carrier for even distribution
3. Mixing Duration: Mix for 5-8 minutes minimum; test uniformity by sampling from multiple points in the mixer
4. Quality Test: Send samples to the lab for vitamin content verification periodically (quarterly)

Pelleting Guidelines (if using pelleted feed)

Parameter	Target Value	Impact if Incorrect
Steam Temperature	75-85°C	Too hot: Vitamin destruction; too cool: poor pellet binding
Moisture Before Pelleting	12-14%	Too dry: poor formation; too wet: equipment damage
Pellet Durability Index	Above 85%	Below 85%: excessive fines (dust) in final product
Cooling After Pelleting	Within 5°C of ambient	Hot pellets absorb moisture → mould growth
Final Moisture	12-13%	Above 13%: mold risk; below 11%: brittleness and dust

Storage Best Practices for Poultry Feed

Moisture and Pest Control

Storage Environment: Use airtight, rodent-proof containers (sacks with strong sealing). Store in a cool, dry location (below 25°C, below 60% relative humidity). Ensure good ventilation to prevent condensation. Keep ground moisture out (elevate sacks on wooden pallets)

Moisture Monitoring: Use a moisture meter for regular checks (weekly in humid seasons). If moisture exceeds 13%, the feed becomes vulnerable to mould. In tropical climates, a 3-month maximum storage time is recommended

Pest Management: Inspect containers weekly for rodent entry holes. Use approved fumigants (e.g., aluminium phosphide) when an infestation is detected. Maintain a clean storage area—eliminate food scraps and spillage. Keep cats for natural rodent control

First In, First Out (FIFO) System

Batch Management Protocol

Implementation:

1. Label all feed batches with production date and ingredient source
2. Store new batches BEHIND older stock (physically arrange shelves)
3. Always use the oldest stock first
4. Maintain an inventory log with dates and quantities
5. Do not store any feed longer than 3 months in tropical conditions

Rationale: Vitamins degrade ~10% per month; nutrient content of old feed becomes unreliable. FIFO ensures birds always receive fresh, nutritionally complete feed.

NEVER use these ingredients in poultry feed:

• Mouldy or discoloured grains (any visible mould growth)
• Grains that have been heated or burned
• Protein sources contaminated with dirt or foreign material
• Rancid fats or oils (musty smell indicates rancidity)
• Feeds with excessive salt (above 0.5% in formulation)
• Recycled food waste or contaminated by-products
• Synthetic growth promoters (banned in many countries)

Common Feed Formulation Mistakes to Avoid

Mistake	Consequence	Prevention
Over-mixing after pelleting	Creates excessive fines (dust); birds waste feed	Handle pelleted feed gently; minimise tumbling and conveying
Inadequate premix incorporation	Uneven vitamin distribution; some birds are deficient	Pre-mix premix with carrier; verify mixing time and uniformity
Using hard water for mixing	High mineral content interferes with vitamin stability	Use soft water if available; add chelating agents if necessary
Storing feed in direct sunlight	Vitamin degradation; heat promotes mould growth	Store in shaded, indoor location only
Mixing old and new batches	Dilutes the nutrient content of fresh feed	Maintain strict FIFO; use one batch completely before starting a new one

6. Frequently Asked Questions About Poultry Feed Formulation

What is the best poultry feed formulation for broilers?

The best broiler feed formulation uses a three-stage system: starter (0-3 weeks, 22-24% crude protein, 2,900-3,000 kcal/kg ME), grower (4-5 weeks, 20-22% protein, 3,000-3,100 kcal/kg), and finisher (6-8 weeks, 18-20% protein, 3,100-3,200 kcal/kg) feeds with optimal calcium: phosphorus ratio of 2:1.

How do I calculate poultry feed formulation cost?

Step-by-step method: (1) List each ingredient percentage in the formula, (2) Obtain the current price per kg for each ingredient, (3) Multiply percentage × price for each ingredient, (4) Sum all costs for the total feed cost per kg. Example: If maize at 50% costs ₦200/kg, = 50% × ₦200 = ₦100 per kg feed from maize. Add costs from all other ingredients for the total. You can also use our poultry affairs feed calculator for accuracy.

What is the difference between broiler and layer feed?

Broiler feeds prioritise rapid growth with higher protein (22-24% starter, declining to 18-20% finisher) and higher energy density. Layer feeds focus on egg production with moderate protein (16-18%) but very high calcium (3.5-4.2%) for eggshell formation—layers need 3-4 times more calcium than broilers.

Can I feed broilers and layers the same feed?

No—not recommended. While some farmers use layer feed for broilers to save money, performance suffers: Broilers grow 10-15% slower on layer feed, feed conversion deteriorates by 0.3-0.5 kg, poor muscle development occurs, and increased mortality results from skeletal problems. The cost savings (maybe 5-8%) are wiped out by lost gains. Use stage-appropriate feeds for optimal returns.

How do I detect aflatoxin in feed ingredients?

Field Testing (Fast): Use rapid ELISA or immunochromatographic test kits; results in 15-30 minutes. Check the current price with a local laboratory or extension service and record the date quoted. Acceptable for initial screening. Laboratory Testing (Accurate): HPLC (High-Performance Liquid Chromatography) at a certified lab; cost varies by laboratory and method; request a current dated quotation. Recommended for large batches or supplier quality verification.

What calcium: phosphorus ratio is optimal for poultry?

Growing birds (broilers and pullets): 2:1 calcium to phosphorus. Laying hens: 8-10:1 calcium to phosphorus. The high ratio in layers is necessary because excess calcium doesn’t harm production; in fact, it improves shell quality and bone strength. Conversely, too much phosphorus in layer feed reduces calcium absorption, creating shells that crack more easily.

How do I know if my feed is properly mixed?

Visual Inspection: Cross-section of feed should show uniform colour and texture throughout—no visible streaks or separated components. Chemical Test: Send feed samples to the laboratory for vitamin content verification; all replicates should be within 10% of the target values. Performance Test: Compare feed conversion ratios between batches. If one batch performs worse (higher FCR), mixing uniformity may be the issue.

Is pelleted or mash feed better?

Mash Feed (Ground form): Cheaper to produce, allows ingredient flexibility, faster consumption, but more wastage and a rapid rancidity risk. Pelleted Feed: Minimal wastage, improved digestibility, better storage stability, but 10-15% higher production cost. Recommendation: Pelleted feeds provide better return on investment for commercial operations; mash is acceptable for small-scale operations with careful feeding practices.

What feed conversion ratio should I expect?

Broilers: Starter 1.4-1.6, Grower 1.8-2.0, Finisher 2.0-2.2 kg feed/kg gain. Overall average: 1.8-2.0. Layers: Expected 2.0-2.2 kg feed per kg of eggs (in shell). At 80% production: ~120g feed per egg. Better FCR indicates excellent nutrition and management. Worse FCR signals nutritional imbalance, poor water quality, or disease pressure.

How can I reduce feed costs without sacrificing performance?

Proven strategies (in priority order): (1) Seasonal buying: Purchase grains at harvest (30-40% cheaper)—single biggest savings. (2) Form cooperatives: Bulk purchasing saves 8-15% through direct supplier negotiations. (3) Local ingredients: Groundnut cake, moringa, sweet potato meal—comparable nutrition at 20-30% less cost. (4) Optimise formulation: Use linear programming software. (5) On-farm production: Grow legumes or moringa—50-70% cost reduction. (6) Reduce waste: Proper feeder design saves 5-8% immediately.

Next Steps for Implementation

1. Calculate your current feed costs using local ingredient prices
2. Compare your current formulation against the tables above to identify deficiencies
3. Implement a seasonal purchasing strategy aligned with harvest calendars
4. Conduct aflatoxin testing on the next batch of purchased ingredients
5. Monitor bird performance metrics (feed conversion, mortality, egg production)
6. Adjust formulations based on actual performance results
7. Review local Poultry Affairs for ingredient price trends monthly

Bottom Line

These formulations are starting points, not gospel. Your local ingredient costs, climate, and bird strain will all push you to adjust within the ranges given. What doesn’t change is the discipline behind it: consistent ingredient quality, the right balance at each growth stage, and tracking FCR, mortality, and cost per kilogram closely enough to know when something’s drifted.

Resources and Further Learning

Authoritative References for Poultry Nutrition

NRC Nutrient Requirements of Poultry (10th Edition) — The gold standard for poultry nutrition requirements worldwide.

National Animal Nutrition Program – Official NRC Reports — Complete resource library for all nutrient requirement guidelines.

INRA-CIRAD Feed Composition Tables — International database of ingredient nutritional values.

Penn State University Poultry Nutrition Extension — Academic resources and research updates.

MSD Veterinary Manual – Poultry Nutrition — Professional veterinary reference for nutritional requirements.

FAO Feed Standards and Nutrition for Poultry — International guidelines for sustainable poultry production.

Poultry Affairs — Local Market Updates — Real-time pricing and availability of poultry feed ingredients in West Africa.

Feed Tables International — ingredient nutritional values, maintained by INRAE-CIRAD-AFZ.

National Animal Nutrition Program Feed Composition Database — NRC reports and feed composition data.

For broader benchmarking, NRC poultry nutrient requirements remain the reference standard these formulations are checked against.

Disclaimer: This poultry feed formulation guide represents best practices in poultry nutrition based on scientific research and field experience. Local conditions, ingredient availability, and bird genetics may require adjustments. Always test feed performance with your specific birds and adjust formulations accordingly. The author and publisher assume no liability for the use of this information.

About the Author

Saheed A. Adebiyi is CEO of Phoenix Agribusiness Enterprises and a poultry consultant. He previously worked as a Poultry Farm Supervisor at Zartech Farms Limited and as Consultant/Co-ordinating Manager at Mukaz Farm, Ogijo, Nigeria, and writes about poultry production, feed cost reduction, yield optimisation, and farm profitability at Poultry Affairs.

Last Updated: May 31, 2026 | This guide is updated regularly as new research becomes available. Subscribe for updates via Poultry Affairs.