WHAT DOES FERTILIZED BROILER EGGS FOR SALE MEAN?

Several more died early on (adopted all prompt regulations for the T – let sit at RA for about 36 hours, then no turning for another forty eight in the incubator). Ended up with nine quite amazing chicks so although hatch amount was lower, it seems to be on par with what I see others staying. I do wish extra had been fertilized. The nine that hat