I was just wondering...i have had chickens for a while but the hen always done the work...and i wanted to buy me some chicks so i have bought 50 rhode island reds due to be here around the 6th of march....i have built a brooder already its bout 4' by 9'...my main 2?s r 1....what kind of heat do i need some say a regular 100 watt light bulb per 25 chicks but other people promise on the red and blue light ( i forgot what there called ...lol) about 18'' of the floor....and my other ? is when the birds get here what do i need to do to ensure the most healthys bird,,,, thanks for n e bodys help