What are you seeking when you shell out extra cash for organic milk?

Some folks aim to avoid the synthetic growth hormones and genetically modified, pesticide-treated feed U.S. dairy cows typically find in their rations. As currently written, USDA organic rules deliver that.

But what about access to pasture? Cows evolved as grass eaters; forcing them to feed on grain for a significant period of their lives is a relatively recent experiment. USDA code requires dairy farmers to give their cows "access to pasture," but doesn’t spell out precisely what that means.

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In one way, that’s good. In truly ecological agriculture, farmers try to farm in sync with their bioregions. The growing season for grass varies in different regions; organic code should allow for that.

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Yet the ambiguity has led to abuses. As the Wisconsin-based watchdog Cornucopia Institute has shown (PDF), some corporate-owned dairies have used that ambiguity to roll out large-scale, feedlot style "organic" dairy farms with no grass in sight — ever.

Now the USDA is working to flesh out its "access to pasture" code. The trick is to find language that works for organic farmers across regions, without leaving a gaping loophole for corporate operators. Surprisingly, the agency has come out with proposed rules that are too strong — and now some family-scale farms are worried that they could be put out of business.

A much-respected California organic milk producer called Strauss Organic has sounded the alarm, claiming that:

[T]he proposed rules offer a "one-size fits all" solution to an industry that is regionally diverse in climate, water usage and herd-size, and would make it virtually impossible for the Northern California small organic family farms to comply.

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Meanwhile, the National Organic Coalition has come out with a suggested rewrite (PDF) that would (hopefully) fix the problems with the new rules.

The USDA is accepting comment on the rules here; the comment period ends Tuesday, Dec. 23.