There are so many different types of horse fencing options out there. You have heard of everything from brabed wire to wood rails and you may be a bit confused. Take a look at 11 different types of horse fencing and the advantages and disadvantages of each fencing option. Choosing the right horse fence is extremely important for the health and safety of your horse and other animals. Some fencing is simply not right for your situation and some can simply be downright dangerous. #infographic
Good instructions on how to put up a horse fence. Be sure to get WOVEN wire aka field or horse fence-it is stronger than WELDED wire ) .I would also top this fence with one "hot" wire across the top to electrify it. You need wood anchor corner posts, (4x4 or 6x6) on the ends and "in line" every 30-50 feet mounted in concrete & at least 4 feet in ground or to the frostline. T-posts every 10 feet.
How to install cedar fence posts that last - these people KNOW of which they are speaking! Read more: http://www.familyhandyman.com/garden-structures/fences/how-to-set-fence-posts-that-won-t-rot/view-all#ixzz3V4rTHN00