HOUSING SYSTEMS BIOSECURITY HOUSING & BROODING EARLY MANAGEMENT LIGHTING NUTRITION HEALTH HATCHING EGG MANAGEMENT 37 37 LOHMANN › MANAGEMENT GUIDE Research shows that the rearing period of laying hens significantly influences both the effectiveness and the duration of their production cycle. As laying cycles become longer and management approaches, such as free-range breeding, are increasingly adopted, it becomes essential to adequately prepare flocks for upcoming challenges. LOHMANN identifies this critical stage as “THE PREPARATION PERIOD.” THE PREPARATION PERIOD: FOUNDATION FOR LAYING HEN PERFORMANCE Developmental Growth and Skeletal Development including skeletal health, is critical during this stage. Proper body weight gain and strong skeletal structure are vital for health and future egg production. Environmental Training for Cage-Free Flocks For breeder flocks destined for cage-free systems, environmental training should be incorporated. This helps birds adapt to the specific conditions and behaviours associated with cage-free housing, supporting welfare and long-term productivity. Nutrition is vital for extending the production cycle of LOHMANN laying hens. Proper feeding is important throughout, especially during the late laying period when nutrient absorption and immunity drop. Hens need adequate energy for growth, feathers, and egg production, but overfeeding can harm egg quality and production rates. Achieving the right energy balance supports performance and welfare. Immune and Digestive System Development Special attention should be given to supporting the proper development of both the immune and digestive systems. These systems are fundamental to the bird’s ability to resist disease and efficiently utilise nutrients throughout its life. DURATION AND IMPORTANCE OF THE PREPARATION PERIOD The preparation period encompasses the first 0 to 30 weeks of the hen’s life. Within this timeframe, hens experience several key developmental changes that form the basis for their later performance and productivity.
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