[Objective]This paper aimed to determine the main pathogens causing dairy cattle recessive mastitis in eastern Hebei and provide certain reference for local vet
The seeds of a soybean cultivar Zhonghuang 18 were subjected to accelerated aging for 0 (population G 0-1), 112 (population G 0-2), 154 (population G 0-3) and 1
[Objective] To investigate the optimal determination conditions of melamine in animal blood products by high performance liquid chromatography(HPLC).[Method] Th