Nothing wrong, just curious: Information on Birth Defects in Chickens?

[dawg53]

This is a bit weird, and I’m not sure where else to post this thread but here.
I’m very interested in physical deformations and dysmorphology. I was wondering if anyone has any good reading material (or even first-hand experiences!!!) with physical deformations in chickens?

I’m primarily looking for info on things such as dysmelia in any limbs, as well as any variants of conjoined twins. I’ve also heard of different beak deformations, which I’m interested in hearing about as well...
Basically, if it’s an abnormality in the structure of the chicken that you can see visually from the outside, I’m interesting in knowing more.

I’m looking for absolutely any info. Rate of survivability, quality of life, complications, usual causes of death, etcetera.

I’m asking this purely for educational and recreative purposes only! I don’t want anyone to be worried— there is nothing amiss with my chicks.

Here's a chick that hatched without upper and lower beak, pics included.
https://www.backyardchickens.com/threads/chick-hatched-without-beak-pics.1481090/#post-24682387

 

[Pollito Pelon]

I have a chick borned with defective leg. The chicks hops and moves around. I offered the chick to a first time broody and she accepted it and so did the chick and when she calls the chicks comes.
Most people say to cull but gave this little one a chance

 

[_Moon_]

I bought naked neck chicks from cackle hatchery and got one with bulging eyes. I named her Bug Eyes, and called her Buggy for short. But eventually she grew into her eyes.