I have a Lohmann Brown who is over 2 years old. She stopped laying over winter, and started molting. I thought she'd come good now that the weather is warming up (I'm in a Sydney Spring), but she's now looking worse. About 2 weeks ago, her comb flopped, and I found out she was being bullied by the Australorp (which now seems to have eased). She's also rooming in with 6 juvenile Lohmanns. Her vent is dirty also. I will try the yoghurt and worming the flock, and also the high protein food. Is there anything else I should do? Is she now past laying age? I read somewhere that Lohmann's only lay for about 2 years. Is this true? Is it time to send her out to pasture?