In poultry production, the preparation period (0–30 weeks) is a critical phase that defines the flock’s productive potential and profitability.
It’s not just about raising pullets：it’s about building the physiological and metabolic foundation that will sustain the entire laying cycle.
During this stage, strategic nutrition connects health, development, and performance.
In this week’s Teggnical Insights, our Global Technical Manager – Nutrition, Juan Valle, shares his expertise on the crucial preparation period for flocks and how nutrition and management play a key role in long-term success.
Each nutrient plays a vital role in forming essential systems:
🍗 Proteins & Essential Amino Acids:
Key for muscle development and flock uniformity.
🦴 Calcium & Phosphorus (Ca:P Ratio):
Crucial for strong bone mineralization, preventing problems with laying and shell quality.
💊 Vitamins & Trace Minerals:
Vitamin D3, manganese, and zinc are invisible allies for bone strength and immune response.
⚡ Metabolizable Energy:
Adjusting energy density by phase helps prevent overweight issues or delays in sexual maturity.
⚙️ Technical Points That Make the Difference
📈 Weight Curve & Uniformity:
Achieve weekly targets and maintain >85% uniformity to synchronize sexual maturity.
🔄 Diet Transitions:
Smooth shifts from starter → grower → developer diets minimize metabolic stress.
🕒 Preparation for Lay:
Increase calcium at the right moment (before light stimulation) to build bone reserves and ensure shell quality.
💧 Water & Electrolytes:
Critical for nutrient absorption and thermoregulation, especially under heat stress.
Good nutritional management during this period doesn’t just improve laying persistence and egg quality , it also extends productive life, boosting profitability and sustainability.
At LOHMANN BREEDERS, we believe that every gram of feed during the preparation period is an investment in the flock’s future.
LOHMANN BREEDERS – It’s the egg. 🥚💛
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