Funky_monks
Neo-Rustic
It's certainly possible:Just watched the film Cow. I would recommend it.
A few comments fwiw. The only bit I find at all troubling in the context of this thread is the separation of the cows from their calves. Of course they suffer when that happens. This was a farm on which they prevent calves from suckling. I'd be interested to compare to how things work on farms where they don't do that. Such farms are not widespread, but they do exist - it is a possible way to do it. But it's a strength of the film that this is a typical dairy farm, seemingly well run by people who have a certain affection for their animals.
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Yields would be lower though, it kind of depends on demand.
I don't know if the farm on the film milks with a parlour or robots, robots certainly seem a more ethical way to do it (although I'm not bothered with conventional twice a day milking, but on demand seems even better) .