Question

2 conditions needed by fertilised eggs to hatch

Answer 1

the two condition are -
1 step up an incubator
2 humidity
3 temprature

Answer 2

1)hatchery rooms must be adequate in size

2)sufficient spaces are to be allowed around hatcher similar to that of setter room .It is prone for contamonation with fluffs and debris at the time of hatching,the door towards setter room to be tighted closed unless the necessity arises