I use 3 strands of electric fence around my coop and run. Before purchasing it, I had lost eight birds two on the first attack and 6 on the next. I was nearly sick over the loss of these birds and very upset too. I was tempted to setup a blind and shoot whatever came near my birds. It was not a practical idea but most likely would have calmed me down a little, especially after spending a few nights out in the cold. I went to the local farm supply looking for a solution and asked the clerk if she had any ideas an older gentleman overheard the conversation and said Electric Fence, that is what I use and have had no attacks since. I had no knowledge of what to purchase more or less how to install one that would keep out Raccoon, opossum, wild mink, weasel, fox, coyote and what ever else lurked in the shadows at night looking for an easy meal. The clerk called for assistance and not only the store attendant but also the older gentlemen educated me on what I needed and how to install it. The farm supply had everything from small systems (like what I needed) to some that covered miles of fence. They even had some that ran on battery power using a solar cell to recharge the battery on sunny days.
I was instructed to run 3 strands around the run and coop starting at 6 from the ground and every 6 for the other two strands. Ive had this system in place for nearly 6 months now with no additional losses. I also keep five baited live traps outside the run and coop. I have now eliminated several coon, 3 mink, 2 weasels and 1 fox using these traps. I had no idea we had all these predators slinking around at night. I cannot fault these predators for trying, as I am the one who built in their neck of the woods and put turkey and chicken on their new menu. The fence we have does not protect the birds while they are out free ranging but the only time I allow them to do that is if I am working within the vicinity. Though several hawks watch us, none so far have been a problem but I am sure there are many more sets of eyes waiting for an opportunity when I least expect it. I guess that is why they are called predators. Good luck with the predator problem and as was said before if you have poultry youre going to have predators.