1 temperature adjustment: During the incubation process, the temperature of the hatching should be adjusted according to the development of the embryo. Should pay attention to the changes in incubation temperature, observe the sensitivity of the adjustment instrument, generally no longer artificially adjusted after correction of the incubation temperature, but when the deviation should be given to the temperature of 0.2 °C -0.5 °C should be adjusted, the temperature of each adjustment should be small. The temperature is generally controlled at 37.8°C for 1-18 days; 36.8°C-37.2°C for 19-21 days. The temperature of the incubator was observed once every half hour and once every 2 hours. In particular, after shutting down and adjusting the temperature, it is necessary to observe carefully. If there is a temperature difference between the upper, lower, left, and right sides of the incubator, the transfer should be organized on a regular basis. 2 humidity adjustment: Wet and wet bulb thermometers were placed inside the incubator to indicate the relative humidity in the machine. The thermometer water pipe should be filled with distilled water, gauze should be frequently cleaned and replaced, so as not to affect the evaporation of water and calculate the relative humidity accuracy. If there is no humidity control device, the humidity can be adjusted by increasing or decreasing the water tray, raising and lowering the water temperature and increasing or decreasing the wet cloth in the incubator. Coastal areas should be protected from excessive humidity, and most areas in the north should be protected from excessive humidity. The optimum relative humidity is 60%-65% for 1-18 days and 75% for 19-21 days. When the hatching requires a higher humidity, it is mainly conducive to the hatching of chicks. No humidifying facilities are commonly used to wet the embryos with warm water. 3 ventilation: Ventilation allows the embryo to have enough oxygen to remove excess CO2 and cool down. Excessive ventilation will cool down, and CaCO3 in the eggshell will not turn into soft CaHC03 due to low CO2 concentration, making it difficult for chicks to break the shell and reduce the hatching rate. The incubator generally has a CO2 concentration of 0.4%-0.5%. Ventilation is generally performed on the first day after hatching, and gradually increases with the increase in gestational age from the second day. In summer, the temperature is high and the humidity is high. The heat in the machine is not easy to dissipate and the amount of ventilation should be increased. How to deal with the relationship between temperature, humidity and ventilation has an important impact on improving hatching rate. In general: the green light is always on, and the air volume is increased; the red light is always on, and the damper is slightly closed; The purpose of turning eggs is to make the eggs heated evenly, keeping the embryo moving and preventing adhesions. Generally turning eggs once every 2 hours, turning the egg angle ≥ 90, 14 days after the embryo has developed shape, with a certain degree of thermal regulation and activity capacity, should reduce the frequency of turning eggs, the embryo swallow protein and absorb nutrients have a certain role. Stop turning the egg after shifting. 5 cool eggs: 15 days after hatching of chicken embryos, due to increased fat metabolism, the temperature inside the egg rises sharply. In order to help the embryo body to dissipate heat, cold eggs are needed. Method is: timely turn off the machine every day, open the door, the egg tray out of 2/3-1/2, place 30-60 minutes, depending on the egg temperature and the specific time, the egg temperature to 30 °C -33 °C, stop the cool egg. Cool eggs are usually 1-2 times a day. In the hatching process, the embryonic development can be understood through regular illumination of the eggs. After the first 6 days of hatching, head photos were taken to check the development of chicken embryos. No eggs, dead dead eggs, dead embryonic eggs, and weak embryonic eggs were removed; 10-11 days were examined according to "closed"; 17-18 days. Check the closure. Also known as the transfer of eggs or transfer. After the last shot of the egg, the eggs of the hatcher's egg tray are removed from the dish. Do not turn the egg on the transfer tray and increase the humidity. 2-3 days after the transfer begins to hatch. The shift is specifically controlled when there is a 10% chicken embryo opening. After starting the machine, it was sterilized with 10 g of potassium permanganate and 20 ml of formalin for half an hour. Full Body Massage,Body Massage Cost,Perfect Body Massage,Neck And Shoulder Massager Shenzhen Jie Zhong Lian Investment Co., Ltd. , https://www.szmeizonscare.com
4 turning eggs:
6 according to the egg:
7 Settlement: