Warning green fears could make farming more industrialised
Images of carefree cows roaming free, chewing grass or silage year round (well, almost), used to be the green selling point of New Zealand's dairy industry.
Not for us those "factory farms" of the Northern Hemisphere where the poor cows are consigned to sheds and fed grain for long periods.
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New Zealand makes an ideal spot to test eco theories because of its siae and relative isolation. The small population also should make it easier to observe/