Should you avoid grain fed meat?

Grain fed cows and grass fed cows have about the same amount of LA (2% vs 2.6%). The thing you need to worry about is glyphosate. Grain fed cows will have this and many other toxins, whereas the grass fed cow will have much, much less

Grain fed chickens will have up to 15% LA vs. a pastured chicken with on 2-3% LA.

What is the difference? Cows are poly gastric. Chickens and pigs are monogastric. Chickens and pigs will have much more omega-6 LA when eating grain. So, if you eat these grain fed animals, choose very lean sources so you dont eat their heavy omega 6 laden fat.