Zhang Ziyi, animal husbandry expert, researcher and doctoral supervisor. Mr Zhang Ziyi's father was a scholar in the former Qing Dynasty. He was deeply educated by Confucianism in his childhood and had a good foundation in ancient Chinese. 16 years old to study in Japan. 1945 graduated from the agricultural preparatory course of Imperial University in Hokkaido, Japan, and 1948 graduated from the Agricultural Department of Kyoto University, Japan. After that, he studied trace element nutrition of ruminants in the graduate school of this university and was hired as a special researcher for foreigners. 1952 returned to China. Before and after, he served as a first-class technician and head of feed group in Animal Husbandry Department of North China Academy of Agricultural Sciences, and an associate researcher and researcher in Animal Husbandry Institute of China Academy of Agricultural Sciences. 1980-200 1 has served as the executive director, executive vice president, secretary general and honorary president of China Animal Husbandry and Veterinary Society; At present, he is also the consultant of Computer Agriculture Application Branch of China Agricultural Society, the consultant of Agricultural Expert System Professional Committee of China Automation Society, and the vice president of China Feed Industry Association. He has served as a member of the Seventh and Eighth CPPCC, an expert consultant of the first, second, third, fifth, sixth and seventh animal husbandry groups of the Ministry of Agriculture and a member of the Science and Technology Committee, and the deputy director of the first feed industry standardization technical committee. 65438-0997 was elected as an academician of Agricultural Textile Environmental Protection Department of China Academy of Engineering. 1998 was elected as a member of the Scientific Ethics Construction Committee of China Academy of Engineering.