Bought me a dozen Exchequer Leghorn eggs from chickeneggs123 off of ebay, they arrived three days after,nearly frozen and they ALL have very viable active embryos! I was only expecting at the most, three to have some developement. What a surprise, the Seller must have some very healthy and genetically strong stock. As a matter of fact, I went on an egg buying binge, bought a dozen plus 1 xtra White leghorn eggs from ebay, Every single one of those are developing as well. Tomorrow AM, I am expecting some White Sultan eggs to come in. (I soooo hope those are viable as well! Is a dream to have those beautiful white puffs in my possession!) This week, I am expecting nearly 2 dozen Americauna eggs I purchased off of ebay too! LOOOOL! I guess thats what happens on a boring Sunday after noon. Have nothing to do, check out ebay, hit the bid button....won four auctions! Just as well, I am starting a hatchery business this spring anyway....but in the dead of winter and I already have so many hatchlings and half grown birds started in my basement....oh my!