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- [3] ASSESSMENT OF HUSBANDRY METHODS FOR LAYING HENS ACCORDING TO THE WORKING TIME REQUIRED LANDBAUFORSCHUNG VOLKENRODE, 1982, 32 (04): : 215 - 228
- [5] MECHANISMS OF BONE RESORPTION IN LAYING HENS FEDERATION PROCEEDINGS, 1973, 32 (09) : 1951 - 1954