Hi. So I have 6 hens that have lived together since they were day old chicks. They are approaching 5 mths old and one has begun to lay. (3 Plymouth Barred Rocks and 3 Rhode Island Reds..... my first layer is a RIR) She has layed 4 eggs in the last 3 days.... these are her first eggs (and she is the ONLY one laying already) The other hens have begun beating her up pretty aggressively since she started laying. I have removed her... I have NEVER had a problem with aggressive behaviors at all before this. Any ideas? Thank you bunches.