Possibly when you touched the eggs with your fingers you introduced some sort of infectious agent onto them. I always wash my hands with soap and water before touching eggs when I move them from the nest to the incubator.

Other causes: heat spikes, contaminated water used in incubating medium (I always use distilled water only), lack of vitality of breeding stock in general.

I am sure others will have better answers, being more experienced with eggs than I am.
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Bob
Pyromaniac AKA Greatballzofire
Keeping cats allows man to cohabitate with tigers. Keeping reptiles allows man to cohabitate with dinosaurs.

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