I have a Rouen hen, we have been missing her for the last 3 days my son went into the barn and "didn't see her" so we assumed she was killed by something. I went into the barn to fill water and food last night and happened to look in the back corner where it's dark. Darn if she isn't sitting on eggs. I shooed her off of the nest this morning to see how many there are. There are approximately 15 eggs she is sitting on. Is this normal to have a duck go broody in winter? Should I let her continue to sit on the eggs?