I don't know Ribh. I had planned for this year but things are very uncertain here and I need to be able to concentrate on the book without all the other crap. Excuses I know, but some stuff I can do in a fairly mindless fashion like study or work, but the book and a couple of other things just don't move forward unless I have head space for want of a better description.When is this book of yours coming out, Shad?!!! I have questions forming but I don't know enough to formulate them properly. What you are talking about is population control, yes? So a hen takes all these various things into consideration before deciding to sit & basically controls both her fertility & her population.