Thanks guys. I have fixed their barbed wire, so it will be barbed wire and electric fence about an inch and a half apart. But somehow, from his behaviour, I doubt it would stop him if he really really wanted out. We are the smallest landowner out there, 14 acres, and the rest are owned by a family. Yes, they are all this completely stupid.
However, I do feel a bit better every time the "geldings" mother *mysteriously* bucks him off. I'll give the mare some credit, she gets some height with the people she throws. I keep hoping that maybe she'll knock some sense in to him.
Honestly I'm more worried that my two geldings will kill their "geldings". I have a very protective Walker and a rig QH that will be going in that pasture. Not to mention a mean as all get out alpha mare (my mom's horse, great in saddle, throws lovely show babies but is a pain in the pasture). If the "geldings" are at all aggressive, my guys are going to be too. The owner keeps promising me he will move them before we put my horses in the pasture adjoining theirs (sometime this week) but I haven't seen any prep in other pastures to hold these guys.
There really should be a test. I've offered vet fees, fencing, training for the "geldings" that would mean time taken away from my own horses, tried to educate them, and the list goes on. I'm considering rephrasing all this in terms of money so maybe they'll understand that. Let them know that if they continue to act as they are, they will be paying for vet fees to get everyone stitched back up, cost of the horse (all mine are worth $3,000 plus, not to mention that the emotional attachment) if a leg breaks and there is no way to recover (this is how aggressive these horses are, I am not overstating), cost of vet to abort to foal if that happens, cost to put the fence back together, and the list goes on. If they get into my pasture and get anywhere near my mares in foal and my 4 month old filly, I'll lose it. They are in a separate place from my geldings. Maybe once they realize that they'll be paying for all this if something happens, because I will sue, they'll come slightly to their senses. They have 1000 acres, there has to be somewhere else to stick them. If they want to treat them like cows, put them with the cows. As you say, might not make for friendly neighbors, but my first priority is my herd. I'm a horse person, not a people person
Thanks for your answers, and for letting me vent.