Lohmann Hatchery Guide

37 37 LOHMANN TIERZUCHT › MANAGEMENT GUIDE › › Improper incubation temperature: follow recommended incubation, not too warm and not too cold. › › Improper eggs turning: control turn- ing function of eggs and relative correct angle. › › Improper ventilation: increase ventila- tion and control carbon dioxide (CO2) › › Improper incubation temperature: follow recommended incubation, not too warm and not too cold. › › Improper eggs turning: control turn- ing function of eggs and relative correct angle. › › Improper ventilation: increase ventila- tion and control carbon dioxide (CO2) value, if location is high above sea level then add oxygen. value, if location is high above sea level then add oxygen. › › Improper hatcher conditions: verify the hatcher setting programme and re- spect the steps. › › Inherited low hatchability, poultry disease: check genetic potential; test › › Improper hatcher conditions: verify the hatcher setting programme and re- spect the steps. › › Inherited low hatchability, poultry disease: check genetic potential; test for disease in flocks; make use of medi- cal care; check health; investigate fac- tors under veterinarian action. › › Improper breeder nutrition: feed breeders a diet with balanced nutrient Pip live chicks: Pip dead chicks: for disease in flocks; make use of medi- cal care; check health; investigate fac- tors under veterinarian action. › › Improper breeder nutrition: feed breeders a diet with balanced nutrient levels. If this is a problem in this period, it is easy to note that some chicks have a big oedema in the back of the head. › › Wrong hatcher step: check effective embryological time and synchronise with hatcher time and programme. › › Wrong time: a wrong time or a too short time increases the problem. levels. If this is a problem in this period, it is easy to note that some chicks have a big oedema in the back of the head. › › Wrong hatcher step: check effective embryological time and synchronise with hatcher time and programme. › › Wrong time: a wrong time or a too long time increases the problem. › › Contamination by aspergillus: be aware that contamination can cause many issues at our embryos in piping out time; the percentage of E-coli in- creases to a very high value and can kill our chicks in this delicate phase. A cor- rect disinfection with the right product at the right dosage can help.