If they have free access to a commercial layer feed, lack of nutrition is most likely not the problem. Never heard that as a reason for not laying. It could be that they have decided tomoult? Would be unusual this time of tear, but not unheard of. Less likely that they would all start at the same time though. Is there a fat critter around?? ..stanMy Australorps have stopped laying. It is winter, but I light on timers, and they free-range and should be happy. I have 20 and haven't had an egg for nearly 3 weeks. I have two dorkings who are laying one a day. Could it be that the australorps are larger birds and need a higher protein diet to produce? Has anyone experienced this issue? Any solutions? Ideas?