This is a two part article, first showing the actual butchering process and second how to cut the carcass into usable portions
Part 1
http://afarmishkindoflife.com/how-to-butcher-a-pig/Part 2
http://afarmishkindoflife.com/2012/11/how-to-butcher-pig-part-2/This is not for the squeamish, but it is a skill which could save your life.
It can be applied to other large lifestock...
Note that the use of power equipment like a loader or forklift may not be available.
For this, do consider getting a set of pulleys and lift cable,which are standard items for
hunting wild game like deer.
Also, be prepared with a place to store all this meat. A freezer may not be available, but a smoker
or cold storage "cave" will help.