Which is better, grain-fed or grass-fed cows for beef?
                                
                                
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                                    6 min read                                
                            
                                According to Nielsen data, U.S. retail sales of labeled fresh grass-fed beef grew from $17 million in 2012 to $272 million in 2016. This trend highlights a growing consumer interest in the source of their food, bringing the debate of which is better, grain-fed or grass-fed cows, to the forefront of grocery store aisles and dinner tables.