Lohmann Hatchery Guide

34 LOHMANN TIERZUCHT › MANAGEMENT GUIDE 34 General malformations: › › Improper incubation temperature: follow recommended incubation, not too warm and not too cold. › › Extreme low humidity in process: control average weight loss of eggs; control humidifier action. › › Improper eggs turning: control turn- ing functions for eggs. This is extremely important in the first 15 days of the pro- cess. › › Improper ventilation: increase ventila- tion and control carbon dioxide (CO2) value, if location is high above sea level then add oxygen. › › Farm health, poultry disease: check genetic heredity consanguinity; test for diseases in flocks; make use of medical care; check health; investigate factors under veterinarian action. › › Improper transport and manage- ment, shaker: pay attention to gentle transport and handling. › › Improper breeder nutrition: feed breeders a diet with balanced nutrient levels. Please note: Some specific malformations have a direct relation to certain conditions. Please check data for values and interpretations. Malformed beak: › › Cruxes beak: incubation temperature too high in the first 11 days. › › Parrot beak: extremely high concentration of disinfectant or too long an exposure; intoxication from chemical agents. NECROPSY AND BREAKOUTS ANALYSIS