Quote: Sorry TT. Just assumed that everyone would know.
OT (in this context) is Old Timers. Refferring to the "Chickens for 10-20 years?" thread. It can also mean Off Topic.
CSU is Chicken State University
SOP is Standard of Perfection. Referring to a manual that gives info regarding the original strains of breeds. The chicks we get from hatcheries are no where close to the originals.