HOUSING SYSTEMS BIOSECURITY HOUSING & BROODING EARLY MANAGEMENT LIGHTING NUTRITION HEALTH HATCHING EGG MANAGEMENT 85 85 LOHMANN › MANAGEMENT GUIDE EGG SIZE AND REPRODUCTION In this section, we will discuss how nutritional factors can affect the size of the egg. THE INFLUENCE OF EGG WEIGHT ON HATCHABILITY IN BREEDER HENS FACTORS THAT CAN AFFECT THE EGG SIZE 52–65 g > 66 g 49–51 g HATCHABILITY VALUES MAY VARY 80% TO 97%, WITH THE HIGHEST RATES OBSERVED IN MEDIUM-SIZED EGGS. MANAGING THESE FACTORS ENABLES EGG WEIGHT ADJUSTMENT TO OPTIMISE PRODUCTION. GENETICS MANAGEMENT NUTRITION LIGHTING PROGRAMMES
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