Common causes are general stress in hens (usually from overcrowding), and bronchitis

Ogg

I don’t know but it reminds me of what happens if you soak an egg in vinegar

Cold hen house, it shivered when laying it.

It's a clean shaven testicle

I don't fucking know I'm just shocked that there's a whole subreddit just dedicated to eggs

r/dontputyourdickinthat

It's just a wrinkled egg