HOUSING SYSTEMS BIOSECURITY HOUSING & BROODING EARLY MANAGEMENT LIGHTING NUTRITION HEALTH HATCHING EGG MANAGEMENT 75 75 LOHMANN › MANAGEMENT GUIDE ESSENTIAL FOR MANY METABOLIC PROCESSES (e.g. the formation and maintenance of the skeletal system) EGGSHELL QUALITY DEPENDS ALSO ON PHOSPHORUS PHOSPHORUS PHOSPHORUS DEFICIENCY . . . . . . during preparation period may vary according to age ... during production period, are not high.* The incorporation of phytase could further reduce these levels, depending on the concentration of phytic phosphorus in the diet. * Data suggests that no more than 220 mg of NPP (Non Phytic Phosphorous) per bird and day are necessary (Rodehutscord et al., 2023). 1,25 (OH)2D3 (metabolite of Vitamin D) Regulates . . . . . . the metabolism of calcium and phosphorus . . . plasma levels of calcium and phosphorus to meet the maintenance and production needs of birds. 25 (OH)D3 (metabolite of Vitamin D) � Is more active than vitamin D3. � Can benefit skeletal development and eggshell quality. � Has better intestinal absorption, and higher transference rates into eggs, which leads to fewer skeletal disorders, better immunity, and improved hatchability. � Can be also incorporated into the diets of breeder hens. VITAMIN D3 CHOLECALCIFEROL
RkJQdWJsaXNoZXIy NTg2OTc2