HOUSING SYSTEMS BIOSECURITY HOUSING & BROODING EARLY MANAGEMENT LIGHTING NUTRITION HEALTH HATCHING EGG MANAGEMENT 47 47 LOHMANN › MANAGEMENT GUIDE SECOND PARTIAL MOULTING (12–16 WEEKS) FINAL FEATHERING (20–22 WEEKS) FURTHER FEATHER REPLACEMENT Another partial moulting occurs between 12 to 16 weeks. This stage involves the replacement of more feathers, contributing to the bird’s overall feather quality. HEALTH INDICATORS Feather condition during this stage can indicate the bird’s health and development. Address any nutritional or environmental issues promptly. STIFF TAIL FEATHERS The final stage of feathering occurs around 20 to 22 weeks, where the stiff tail feathers are grown. This stage marks the completion of the bird’s feather development PREPARATION FOR LAY Proper feathering is essential for the onset of lay and overall reproductive health. Ensure birds are well-prepared for this transition. 12 16 20 22 FEATHERING AND MOULTING Feathering involves both complete and partial moulting stages, which are critical for the bird's development and health. MONITORING Regularly monitor feather condition to ensure proper development and address any issues promptly. ENVIRONMENTAL AND NUTRITIONAL SUPPORT Provide optimal environmental conditions and nutrition to support feather development and overall health. KEY POINTS
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