Actually one of them does have a couple little bits of different colored shell stuck to it - could be evidence of another egg breaking on them. Would that makes these unusable?
Looks like I should probably toss them...
I just got three fertilized eggs from a friend to put under my broody hen (no rooster here) for the first time.
The eggs were really smelly and covered in poo so I gently washed them in warm water (I know that may not have been a good idea) but at first I thought that was causing the smell and...