19 19 LOHMANN › MANAGEMENT GUIDE The stocking density rules can differ from country to country. Higher stocking densities while allowing more birds on the same footprint can often lead to decreased uniformity and development due to increased competition and reduced utilisation of the facilities. Therefore, careful consideration must be taken when stocking your house! Please ensure the stocking density is compliant to the animal welfare regulations valid for the country where the chicks/pullets are housed. There are many factors to consider in the development of a healthy chick. An understanding of the developmental stages and their correlation to dietary requirements and the relation to performance is a crucial tool in your decision-making arsenal. Stocking density Development Maximal growth First moult Second moult Third moult 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 16 14 12 10 8 6 4 2 0 Daily growth, g/b/d Modified from Ysilevitz, 2007 Main organs Muscles & skeleton Feed intake capacity Medullary bone Reproductive system Protein Bones Fat DEVELOPMENT OF
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