No, an egg a day per hen is excellent; as good as any flock can do.
What breed are my girls?! - Page 2
Are they free roaming outside? They may be happier with the forage they have, if so. Do you have a mixed flock? We've raised a handful of varieties, and they seem to have different levels of interest in "scraps." We currently have Red Dorkings and Barred Rocks.