I washed my Ayam Cemani eggs with a 50/50 solution of hydrogen peroxide and water with cotton balls. I marked all the eggs I washed, after I washed 1/2 of them.
There were 20 eggs, 19 were fertile. 18 hatched. 9 had been washed and 9 hadn't.
I don't like to put dirty eggs in my incubators, and...