At this farm ( its very much like Polyface, check my earlier post ), the livestock is allowed to graze, it isn't confined to anything, and it just kinda chills out, lives naturally, and eventually gets eaten.
Is there any suffering there?
Yes. There is.
When we raised our 1-2 cows a year they had ample area to wander around, plenty of grass, water, oats and hay and numerous apple trees that provided more apples than any one cow could eat. Yet still, if the electric fence went down, they'd push their way through the barbed wire fence and go trotting off down the road.
You say they aren't confined, but they are. Not confined would mean there are no fences, that the animals could come or go as they please. But just as we did, if the cow or pig or chicken escaped their set boundary, they were chased down, captured and returned to the confines.
You say "live naturally" but a cows natural lifespan is ~15 years. But cattle raised for beef will be lucky to make it to the age of three. They are not free to mate or to have calves, all that is controlled by the farmer according to his desires, not theirs.
So IMO, when you confine an animal and take away its freedom of movement, when you control who it associates with and its natural behaviors, when you end it's life violently when it's lived less than 1/5th of its natural life, then yes ... you have inflicted suffering on that animal.
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Meat is singularly the type of food that brings me the most joy. Don't get me wrong, I still like a good pot of barbecued beans, or an epic green salad, or a bowl of fruit, but there's nothing in this world food-wise that excites me the way meat does. Now, this thread is about a lifestyle that completely eliminates that.
It's funny, because I think of tofu, cabbage, broccoli and brussel sprouts in the same way. Want to see me really excited? Give me a package of buckwheat noodles and some nice, fresh brussel sprouts.