[Objective] This paper aimed to understand drug resistance of Escherichia coli isolated from pets in Guangzhou. [Method] Broth microdilution method was used to
[Objective] The aim was to select protective agent of HA antigen of influenza virus. [Method] H3N2 and H1N1 subtype influenza virus were added into A-F groups t
[Objective] The research aimed to explore the effects of comminution technology on the dissolution of active components from compound feed additive of Strobilan