Begin with Chicken Starter Meal from day 1 until nine weeks of age. Then, switch to Pullet Grower Meal until the chickens are eighteen weeks old or weigh at least 1.65 kg. Hens typically begin producing at around 18-20 weeks of age. Feed Layer 105 until approximately 42 weeks of age, before switching to Layer 110. Feed Lay 110 until the hens are approximately 45-50 weeks old, then transition to Lay 120.