because they get horny
it makes their bones fallout and they go all floppy
by a couple of months old.
through their combs...
chickens and roosters
chickens have red wattle/comb
No. Combs and wattles lost to fighting or frostbite do not regenerate. A chickens comb and wattle is like any other appendage and does not have the capacity to re-grow after loss. Damaged combs will blacken and drop off and if they do not get infected during this process the chicken will go on with no problems.
UV rays and convert it to Vitamin D
Not necessarily. In many breeds of chickens both roosters and hens have combs although the roosters combs are usually more pronounced and develop faster than the hens. Combs are described in several ways, such as Peacombs, double combs, single comb and combless such as Silkies. If all your chickens are of the same breed then you probably have one of the breeds that only the roosters develop combs or the hens combs are still too small to identify. Check the link below to see various breeds.
Roosters and hens have combs and waddles to cool themselves. We sweat to cool ourselves, and chickens have combs and waddles to cool themselves.
Humans nd chickens both have feremones which is the same when talking about female and male chickens and what makes the roosters have bigger combs is there testosterone.
Ryan Combs goes by Hog.
Wes Combs goes by Soldier.