Usually either because they want to eat them, or because they have stopped laying (enough) eggs.
people
it can transfer diseases to human like bird flue ... !
Oh, sure. Chickens are a very common food item.
Cats, dogs, chickens
Yes, bobcats kill and eat chickens.
to survive duuuhhh people have chickens because they want to hear the clucking at night!!! New person here; This one's very sad, they want to kill them for food. :(
You can't. That is impossible. The only way to get feathers on Minecraft is from chickens.
2207 chickens
Not if you mean "man-eating chickens" Chickens, being omnivores, will kill and eat small rodents and other animals. So the answer is yes, chickens can and will kill for food.
No.
Ok, so. If chickens were to imprint on humans we would possibly already have a chicken/human race, because I bet you a sum of money that there are some sick freaks out there who've tried sleeping with one. I don't know all about human sperm and chicken embryos but there is a chnce. as long as you have imagination. :)
Do not kill chickens! They are highly intelligent and affectionate pets!