First, the incubator equipment is prepared to choose dry, warm and warm housing, depending on the size of the hatching. Using light galvanized sheet metal as a material, a double bed type water tank with a length of 150 cm, a width of 80 cm and a height of 28 cm was formed. Put 8 egg trays on each floor of the box, and prepare sawdust (sawdust) as insulation material and gauze, quilts, etc. that cover the temperature of the adjusted egg.
Second, the choice of eggs stored for less than 7 days, moderate size, normal egg shape, obvious egg end, the surface clean eggs without cracks for eggs.
III. Disinfection and preheating Eggs are immersed in a solution of 0.1% benzalkonium chloride at 41°C for 3 minutes prior to hatching to kill harmful microorganisms on the eggshell; then the eggs are preheated at 36-38°C for 6-8 hours. .
Fourth, the incubation temperature, humidity Add hot water to the box and increase or decrease the thickness of the cover (gauze, single cloth, quilt) to adjust the egg temperature. The 7-day egg temperature at the start of hatching was 38.5 to 39.2°C, 88.2 days later to 38.2 to 38.5°C, 17 to 19 days to 38.2 to 37.8°C, and 20 days to completion of hatching as 38.2 to 28.8°C. The relative humidity during the incubation period is 55-65% and it is increased to 65-70% when the hatching period is reached.
Five, according to the eggs before hatching eggs to strictly abide eggs, remove the unqualified eggs, respectively, in the hatching 6 days, 11 days, 17 days 3 eggs.
Sixth, turn the egg to use the angle of 80 turns the key to improving the hatching rate. During hatching, the eggs can be turned once every 8 to 12 hours, and the egg is turned off after 3 days before hatching.
VII. Hatching The late embryonic chicks' lung functions have been established and require sufficient oxygen. Therefore, the covering and the eggs need to have a certain space and increase the ventilation times.
YT-S350
YT-S350
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