I get that. You have to take care of things..
There is no way I could kill a horse. Hell, I can't bring myself to kill our chickens when they get old.
We have the means and with the vet, it was humane and he didn't suffer. After the injection, he calmly laid down and his heart stopped shortly after. Then they let us say goodbye for a while.
There are still two horses here. The boarder and her paint. The boarder will eventually be sent to Florida since her owner recently moved there. We have another boarder lined up, but we'll see how that goes once the move to Florida happens.