Hello All,
I have scanned much of what is written here and the advice is a bit all over the place...which is fine, as we all have different experiences...
First, allow me to share some validation to my experience and thoughts about pigs. I have raised pigs, both residential and commercial. I also have a strong background in animal Ethology and husbandry. I also have guided Wild Boar hunts, so my background working with Swine and their relatives Pecari is a solid one.
I find them to be probably one of; if not the most intelligent domestic animals we have on hooves. This also renders them potentially unpredictable and very dangerous because too many folks underestimate them. I have lost in the last 120 years of family history, two cousins. One was chased down and killed the other fell into a pen with a boar. I do not share that to terrify anyone, but must stress that these are serious animals to work with, and must be respected and well treated from an early age to develop any form of stable relationship.
There is never any reason to beat or be overly aggressive with any animal. With that said, I also do not anthropomorphize how an animal perceive being touched. Some folks (my grandmother) could handle most animals with just her presence...she always carried a staff or cane. This is a habit I also developed, especially when working with Swine and other large hooved animals. Sometime a "tap" on the snout, side or rump, is required to gain their attention. Now that "tap" may not be the tap I give my 16 year old Son, nor the one I gave a Hippo or Rhino when I was a zoo keeper. It might look like a rather strong "tap." You do not want to inflict "aggressive pain" just "shock" for them to focus on your attended agenda. I use to watch as a senior keeper would literally "beat the hell out of the female Rhino" at the Zoo, as she swayed back and forth under the blows...as it felt Soooo Good to be "scratched" that way. He was exhausted by the end of these sessions, and said he had to be very careful that the public did not see it ever happen, or that he stuck here too hard during moving from one pen to another...as she would back up into the blow..."to get another." So often all she got was "poke" instead of a "tap." There again...do not be cruel or abusive...but remember a "tap" on a 500 pound pig is different than a tap on your "dog to stop barking." I would add this when becoming physical with any animal...if you have frustration, or anger anywhere in your being when working with an animal...remove yourself from its presence...calm yourself...and never physically touch the animal when you are in this agitated state...it sends very bad messages to them, as they are much more "aware" than most humans.
As for whether the pigs wanted to "eat your children." That is hard to ascertain without seeing the behavior...they do play very rough sometime with each other and this could have just as been "play behavior," with two new "young two legged piglets," that have come into their personal space. It could have also been "hunting behavior," and yes some pigs will kill and eat a child without second thought about it. No farm animal is a pet, or necessarily "always" safe for children (and some adults) to be around. They are living, thinking, feeling, creatures with their own wants and desires that we must learn to liaise with...not against their natures.
I would close with just a few more points. Feel free to ask more direct questions, and I will do my best to
answer them. The practice of "ear and snout" piercing has fallen out of favor in most areas of North America from what I can tell. I would say that I think this is a shame. Snout rings and earrings seemed to be the first thing piglets got from my grandmother besides a "tail bobbing" when first born, or soon after. A rope through any of their piercings meant "pay attention" we are going for a walk...and...they usually go a nice treat at the end, which also lead to rapid compliance of my grandmother's wishes.
Also, if you allow any Swine to hunt and kill anything to eat...chicken, small mammals...anything; this can lead to some behaviors that makes them very dangerous to work with, and not for the novice to handle.
Good luck and I hope all works out for you,
j