The dynamic information of 331 animal genetic resources in 17 important animal genetic re-source provinces (regions) was analyzed. According to the population i
Arpijaza, Lekezhi and Zhangmu cattle discovered in cooled region of Tibet are Bos populationswhich have close blood relationship with zebu. Besides studying the
Cultivation experiments on super-high-yield (≥12000kg/ha) of summer corn (Zea mays L. )were conducted in Laizhou, Shangdong Province, from 1986 to 1997, and in
The effects of exogenous NO on Eimeria tenella oocysts were studied. The E. tenella oocystsfreshly isolated from feces of experimental chickens infected with E.