Follow these steps to predator proof your chicken coop and run, and your birds will safely enjoy their space while you sleep easily. Elevate the coop, enclose runs with properly secured half inch hardware cloth, create a skirt or underground fence, padlock the doors, and surround with electric wire in bear country. These are some of the important measures - read the details and get more tips at the link.
It may not be the BEST farm task, but when it needs to be done, these tips will come in handy when you decide to delve into butchering chickens. http://www.attainable-sustainable.net/butchering-chickens/