The pecking order has to be established first, but sometimes the attacking is unavoidable and leads to one hens death, but these might help.
chickens (hens): make sure they have plenty of room; do they have a varied diet?; add protein to diet if they are not free ranged; Some places sell blinders that are placed on the chickens head to limit full range of vision (which I have never used); introduce slowly.
First, remove the rooster and treat his wounds.
If the rooster is too young for the hens, DO NOT PUT HIM BACK IN. Wait until he is the same size as the hens or bigger.
If that isn't the case, when you put him back in after his wounds are healed, watch carefully, and see which hen intigates the fight. Any who do need to be sold or butchered - but mainly, just need to be taken out of the flock.
You really cannot stop the flock administering the chasing and pecking unless you are willing to set up a whole new chicken coop. This aggressive pecking is called the pecking order and it will stop all by itself. All flocks have a hierarchy among the birds. The strongest get the best roosting spots, the first food and best nest. Young birds are often chased and pecked for no apparent reason. This is just the the way things are done within a flock of birds.
Be aware though, that if they draw blood, they may all set upon the new or younger hen, with any injury to any bird, remove the injured avian until it has healed. You could also try removing the dominant hen, whilst the other one establishes herself, keep the dominant one away for a while and when she comes back, she'll be too busy reestablishing her rank with her closest rivals.
Do you mean why roosters attack other roosters? because roosters are VERY territorial and are like stallion of a herd of horses.
You can't. That's why some chicken farmers clip off the tips of their beak.
Chickens have spurs on their feet that become weapons when they jump up and thrust the feet forward during a fight.
how do young protect itself
how does 'what' protect itself.
A blackbrid can protect itself from danger by
The opossum protect itself by playing dead.
Pig protect itself by hiding
how dose the milkfish protect itself
how does 'what' protect itself.
THe Meller's Chameleon protect itself by blending in.
Huh? You didn't say 'what' does it do to protect itself from others.
it protect itself by using it's sharp claws
A sea sponge protect itself by releasing toxic gases.
It camouflages itself