I'm curious how long Plymouth Rocks lay the small pullet eggs before they lay the larger egg. I have 2 Buffs and a RR that are the same age (23 weeks) as my Rocks but are laying the full size egg. The Buffs and RR have been laying for about 3 weeks. The Rocks have just started laying pullet eggs the last week or so. Not a big deal but I am interested in this discrepancy between breeds.