Four key points of chick hatching
2022-01-17
Preheating eggs for hatching
Move the eggs placed in the air-conditioned egg storehouse to a room of 22°C to 25°C to preheat for 6 to 8 hours, remove the water vapor on the egg surface, and start the hatching when the egg surface temperature reaches room temperature.
Temperature control
Temperature is the primary condition for the development of chicken embryos, and the temperature control should be stable during incubation to prevent fluctuating highs and lows. The chick incubation period is 21 days: the incubation temperature is 38.5°C for 1 to 6 days, 38°C for 7 to 14 days, 37.8°C for 15 to 18 days, and 37.4°C for 19 to 21 days.
Control humidity
Controlling the humidity can make the embryos evenly heated in the early stage, and is conducive to heat dissipation and hatching in the middle and late stages. Under normal circumstances, the relative humidity: 60% to 70% for 1 to 7 days, 50% to 55% for 8 to 16 days, and 65% to 70% after 17 days.
Ventilation
Chicken embryos must constantly exchange gas with the outside world, especially in the late incubation period, when embryos begin to breathe through the lungs, oxygen demand increases, and carbon dioxide emissions increase. At this time, ventilation should be increased to keep the air fresh.
It is also very important to choose a high-quality
egg incubator.
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