Wanted to get some advice from you more experienced BYC members! I have a large coop with 8 hens (2 Black Sexlinks, 2 Gold Sexlinks, and 4 Laced Orpingtons). My smaller coop is for my Silkies, 3 hens and 2 roos. I have only been getting 1 or 2 eggs a day from my big girls, and we have added supplemental light. We are in CA and the weather is pretty mild, at this time last year we were getting 6-8 eggs a day. Over the last week or so I have noticed that several of my girls' combs are dull pale pink and a bit shriveled, although their feathers and eating/drinking habits seem fine. One of my gold girls has a few dark spots on her comb as well that won't rub off. I have decided I better treat them for worms/parasites/mites just in case, is Ivermectin in their water or on their skin the best way to go? Is Flubenvet better? And my other question is do I need to treat my Silkies even though they are in a different coop? They seem healthy and are laying fine but is it good to do as a preventative measure? The silkies are all about 8-9 months old. Thanks in advance - Ill try to get some pictures of the big girls tomorrow.