As Grass-Fed Beef Popularity Soars, Nutrition Of Grasses Is Dropping04:12
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Sales of grass-fed beef are skyrocketing. Advocates say cattle which eat grass rather than grain are healthier and better for the environment. But scientists are warning that some grass may be getting less nutritious.

Alex Smith of Harvest Public Media reports on what that might mean for grass-fed and conventional beef.

This segment aired on February 2, 2018.

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