Relationship of stable carbon isotope concentration in diet and tissues of beef cattle Effects of Patch Area on the Foraging Behavior of Beef Cattle Effects of isobutyrate on daily gain, dietary nutrient digestion and methane emissions in Simmental beef cattle Effects of flax seed on beef quality and fatty acids in fattening cattle Identification of Pathogen Causing Beef Heart Persimmon Anthracnose in Shandong and Its Pathogenicity Effect of the amount of C3 or C4 plants in diets on the quality and main chemical components of beef