6 month old fertile eggs, will they hatch?

[luckiestck1]

hi everyone,
i just found some 6 month old fertile eggs in the fridge and decided to put them in the incubator. what are the chances any will be fertile and will hatch?

 

[JacinLarkwell]

Pretty much 0%. Odds start to go down after 10 days, and being refrigerated only causes more problems