... of chicken is 21 days, it’s 38.2°C from 1st~6th day, 37.8°C from 7th~14th day, and ... is 28 days, it’s 38°C from 1st~7th day, 37.8°C from 8th~15th day, 37.5°C on 16th ... day, and 37.2°C from 17th ~28th day; incubation period of goose is 31 days, it’s 37.8°C from ... 1st ~8th day, 37.8°C from 9th ~18th day, 37.8°C on 19th day, and 37.0°C~37 ...