营养师带你了解传统/有机/草饲/牛奶饲养牛肉的不同 The difference between conventional/organic/grass-fed/milk-fed beef

不同饲养法的牛肉谁更有优势？Is there any nutrition difference among those beef feeding methods? Is there one better than others?
Article reference: A review of fatty acid profiles and antioxidant content in grass-fed and grain-fed beef. Nutr J 9, 10 (2010).
Smit LA, Baylin A, Campos H. Conjugated linoleic acid in adipose tissue and risk of myocardial infarction. Am J Clin Nutr. 2010 Jul;92(1)
Video reference:Feedlot cattle operation on RUclips. Agricultural Education, Communication & Marketing.