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Depends on what your goals are. Presumably primarily protein, it depends on whether the meat is lean like turkey breast or fatty like bacon or pastrami. (The local store deli only sells two lean pastramis. They suck, no fat.)
And maba, you KNOW I'm going to say that's what Fitday is for! Real data, no guessing.
Every saint has a past and every sinner has a future. -Oscar Wilde "The power of accurate observation is commonly called cynicism by those who have not got it." -George Bernard Shaw "The trouble with jogging is that the ice falls out of your glass." -Martin Mull
They only had one choice for the grass fed ground beef, and they had many choices for for corn fed, separated into 5% fat increments. I chose 85% lean corn fed raw ground beef for the comparison, because that matched the grass-fed sample most closely in terms of total macronutrient content.
The grass fed cut was slightly leaner: 59% vs 63% of total calories from fat. But it had 20% more Omega 6 fatty acids and 108% more Omega 3 fatty acids (more than double the Omega-3s). The corn-fed cut had the edge in monounsaturated fat by 38%.
The grass-fed cut had 10% more protein. Micronutrient-wise, both cuts were the same.
There are considerations other than nutrient profile needed to answer this question, but I thought that a nutrient breakdown would be a good place to start!
Also, OTB made a good observation that it is perfectly okay for chickens to eat grains. I eat mostly chicken, (father refused to let me get steak for 8$/lb..) so I figured that the Greenwise selection I made was acceptable. My only "naughty" weakness is Boars Head deli roastbeef. Ohhh, how I missed roast beef!
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