1. Influence of humidity on hatching effect
Embryos have a wide range of adaptation to humidity and are not sensitive to temperature, and generally do not cause a significant drop in hatching rate. However, improper humidity control will affect the quality of the chicks. If the humidity is too high, it will prolong the shelling time, the body of the chicks will be soft, the abdomen will be large, and the villus will stick to the egg yolk; the humidity will be too small, the shell will be hatched in advance, the chicks will be thin, the fluff will dry, and the coke will be dry. Sometimes sticky shells.
Temperature requirements: The relative humidity in the hatchery and hatching room should be maintained at 60% to 65%, 50% to 60% in the incubator, and 65% to 75% in the hatcher.
2, the role of humidity
Humidity has a heat-conducting effect. It can evenly heat embryos in the early stage of hatching. It is conducive to the distribution of physiological heat of the embryos in the late stage of incubation. Improper humidity can affect moisture evaporation in the eggs and metabolism of the embryos. Humidity is also conducive to hatching and hatching of the chicks. Under sufficient humidity and CO2 in the air, the CaCO3 of the eggshell is changed to Ca(HCO3)2, and the shell becomes brittle, which facilitates hatching of the chicks.
Humidity adjustment: If the humidity is too high, reduce the number of water trays, or increase the ventilation, so that the water vapor can be distributed; if the humidity is low, increase the number of water trays, add warm water in cold days, add cold water in the summer, or wet the ground to increase the moisture content. Evaporate to increase indoor humidity.
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