Jette wrote:

>
> There's also the point that some animals - goats, sheep, etc., can
> live on land where it wouldn't be possible to grow much that is edible
> by humans. You can't grow wheat, or even soy, on high boggy moorland
> in the semi-Arctic moorlands of Scotland. Sheep and deer, OTOH,
> thrive on the food available to them there.

They subsist, not thrive.

To thrive they need to come down to good pastures.
Man has taken sheep over to the eastern pastures for many centuries as he
recognised this gave a better carcase.

--

regards
Jill Bowis

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