I have a Heritage Rhode Island Red hen who went broody, not for the first time, but it is the first time I have put fertile eggs under her (and my first time using a hen to hatch eggs). She is very committed, I have to take her off the nest every morning to go and eat, drink and relieving herself which she does as soon as I put her down in their free range area. She spends between 20 to 30 minutes doing all her eating, drinking, stretching, dust bathing ect before she heads straight back to her eggs. However I have noticed that she did not pluck her breast feathers. Would that compromise the hatching, like in the eggs would not be exposed to enough humidity?