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How many animals are we talking about in a scenario where all the animals were being used for crop/grazing rotation? I've heard about this and it sounds good to me, but without having looked into it at all, it sounds to me like something that probably wouldn't support the number of animals we're using right now for meat production?

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Even if you could convert all the corn/soybean land in the United States to more regenerative methods, you probably wouldn't be able to meet the current demand for meat.

Additionally you have a logistical problem with the animals being distributed across an enormous area vs concentrated in a CAFO.

Now, you would easily be able to grow enough food for the country and possibly the globe, but meat demand cannot be sustained.

Do you have a source for not being able to meet meat demand? using which "regenerative methods"?

Gabe Brown uses 700k pounds of cattle per acre, but he moves the cattle daily. On his site, he claims the pastures are 15-40 acres. [1] So I presume 700k pounds of cattle per 40 acres would give you the figure you're looking for.

[1]: http://brownsranch.us/grazing/

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