G'Day from down under
Nannybeach 
Welcome!
Sorry, living in tropical Aus where we have a natural heat lamp

I am not able to answer your question but folks on your state thread may be able to assist.
Find Your State Thread
I am also sure that other greeters who will be along shortly will be able to advise.
Including your general location on your profile will assist others. Location, climate, season etc can be important factors when members are responding to any questions you may have and vice versa.
I do hope you enjoy being a BYC member. There are lots of friendly and very helpful folks here so not only is it overflowing with useful information it is also a great place to make friends and have some fun.
BYC has
Topic of the Week discussions which I have found to be a great resource, informative and sometimes entertaining; so definitely worth checking out.
If you would like to share
Pictures and Stories of your flock, you have come to the right place. BYC’ers never tire of these and do not back away slowly or commence eye rolling when the photo album or home videos come out
You may be interested in this link: