At 32:45 The main character, Phil, played by Benedict Cumberbatch, viciously and repeatedly beats a horse on his head because he is simply angry. If you love animals you don’t want to watch the scene. It’s horrifically cruel.
At 1:01:42 a bull is viciously castrated
At 1:34:52 Two men chase a rabbit under a stack of logs, then while trying to pull the rabbit out the rabbit breaks its leg. Then the young man decides to “put the rabbit out of its misery” and we hear him snap the rabbit’s neck but we don’t see it on camera.