Report on the Investigation of Scale Production Technique for Beef Cattle in USA（ I ） --Exploration of Development Way of Industry Beef Cattle in USA

Report on the Investigation of Scale Production Technique for Beef Cattle in USA（ I ） --Exploration of Development Way of Industry Beef Cattle in USA Animal Husbandry and Feed Science . 2013, (9): 62 -62 . DOI: 10.12160/j.issn.1672-5190.2013.09.024