A staff member grips a calf at China's National Beef Cattle Improvement Center in Yangling, northwest China's Shaanxi Province, Feb. 5, 2021. Established in 2008 in Yangling, the National Beef Cattle Improvement Center is the only national-level platform that integrates the functions of beef cattle genetic improvement, breeding and demonstration in China. At present, there are more than 400 cattle in the base. (Xinhua/Li Yibo)
