Isbn: 9787109283442 - 【新华书店官方正版】生猪产业转型升级模式及效益评估体系研究 (1 Ergebnisse)

paperback. Zustand: New. Paperback. Pub Date: 2021-06-01 Pages: 234 Language: Chinese Publisher: China Agriculture Press. This book is based on the background of outstanding constraints encountered in the current transformation and upgrading of the pig industry in my country. focusing on the United States (no African swine fever has occurred). Evaluate the typical models of transformation and upgrading of foreign pig industry. such as the epidemic). Russia (African swine fever occurred). etc. and at the same time. e.…