My friend gives me eggs periodically, and I get about a 75% hatch rate. This last batch was quite dirty and I washed them under clear running water, no soap. This batch has some kind of problem I don't understand. I have found 4 of these eggs (so far) with little areas on the air-cell end, where it appears that albumin has extruded through pores?? Obviously I am disposing of those eggs when I find them, but what the heck is going on? It looks to me like there is pressure inside, and I do NOT want them to explode on me, but ...what the heck is going on?