Lohmann Hatchery Guide

LOHMANN TIERZUCHT › MANAGEMENT GUIDE 3 3 4 INTRODUCTION 5 HANDLING HATCHING EGGS 5 Selection and Management of hatching eggs 7 Disinfection of hatching eggs 8 Optimal egg storage condition 8 Egg storage room: climate conditions 10 Loss of weight module 11 S.P.I.D.E.S. Incubation or Pre-storage incubation 13 SETTER 13 Single-Stage VS Multi-Stage Incubation 14 Pre-Warming before setting 15 Setting time and set pattern if requested 17 Temperature 18 Humidity 19 Ventilation 19 Turning 20 CANDLING AND TRANSFER 20 Candling 22 Transfer 24 HATCHER 25 The Hatching cycle 26 The Hatcher operation 28 Monitoring chicks and quality control 30 NECROPSY AND BREAKOUT ANALYSIS 30 Making breakouts Analysis 40 Perfect LOHMANN BROWN, Necropsy 41 Perfect LOHMANN LSL, Necropsy 42 PROCESSING OF CHICKS 42 Chicks’s temperature 42 Chick’s take-off and sexing 43 Chick’s vaccination 45 Holding and delivery of chicks 46 QUALITY ASSURANCE 46 Implementing a basic quality assurance system in hatcheries 47 Prerequisite programmes – the basis of a quality management Sytem 47 Control of operation 50 TROUBLE SHOOTING 50 Practice based ON technical service 51 SEXING GUIDE 53 HYGIENE 53 Biosecurity in hatcheries 53 Sanitation – cleaning procedures and methods 54 Cleaning programmes 57 Documentation and data storage 57 Hazard Analysis and Critical Point – the next step in building a quality management system 59 PSYCHOMETRIC AND CONVERSION TABLE CONTENT