I have seen these types of things come up more and more in the news as cities sprawl out. We have a little bit of it starting where I am at, but we are handling it in a fair manner.
Someone has livestock, it was legal to have it when they started having livestock on the property. Sometime in the 80's or 90's an ordinance is put in place to ban livestock in that zone but no one ever pays attention. Now, the suburbanites move in and love the country but hate livestock. They decide to start enforcing the ordinance but conveniently forget that some of this livestock is grandfathered in. They harass and bully the livestock owners who often don't bother to defend themselves and give up. This article is a good example:
I am sorry but there are a lot of people out there who have no clue about owning livestock and are either afraid of it or insert themselves into people's lives and tell them how to care for it. I have heard of people having animal control check on some blindfolded horses. The horses were simply wearing fly masks to protect their eyes and faces from flies. This little story is a good outline of some of the well intentioned people that just don't get it