CAGE HOUSING

21 LOHMANN › MANAGEMENT GUIDE 21 Table 6: Continuous Supply of Fine and Coarse Limestone (Recommended Relation in Feed) Feed type Fine Limestone 0–0.5 mm Coarse Limestone * 1.5–3.5 mm Layer Phase 1 30% 70% Layer Phase 2 25% 75% Layer Phase 3 15% 85% * can be partly replaced by oyster shells Supplements Supplements ensure the necessary supply of essential vitamins, t race elements and sub- stances such as anti-oxidants or carotenoids. Suitable supplementation can compensate for the varying contents of rawmaterials and safe- guard the supply of all necessary nutrients. Remark: Vitamin C is synthesised by poul- try normally. This vitamin is not considered as essential, but in some circumstances, like heat stress or hot climate, it may be impor- tant / beneficial to add 100–200 mg/kg com- plete feed during production period.