See this archive on fertilization.

http://www.pondboss.com/forums/ubbthreads.php?ubb=showflat&Number=96127#Post96127

You can use larger fish with fewer of them. You can stock 2in LMB with the 2-3 in BG and adult FH. I like the wait method better. I like to stock both 2in BG along with a few 4-5in BG. That speeds up the process and IMO reduces the risk of loss.