He is almost 3 months, was doing great until this morning.
He is rather humped, feathers droopy, pale neck, but has an appetite. I am new to poults so what could this be & what is blackhead??
Thanks in advance....any help as to what to do would be great.....

He is rather humped, feathers droopy, pale neck, but has an appetite. I am new to poults so what could this be & what is blackhead??
Thanks in advance....any help as to what to do would be great.....