How about feng shui with a cemetery next to the pig factory?

Not so good. There are pigs around the grave itself, which will affect the feng shui of the grave. Your pig farm is built next to the cemetery. You must have influenced others first. Now you ask how it affects you. You said you were standing on someone else's land. What's the impact? It must be terrible. So give you three suggestions: first, it is best to move; Second, burn paper. Third, try to be hygienic and don't let bad luck make people angry.