Tobacco black shank is one of the devastating diseases of tobacco. In recent years,this disease widely occurred in most tobacco-growing areas,which caused disas
In this study,histopathological changes in the heart,liver,spleen,lung,kidney,intestine,brain and other organs of foxes died of parvovirus infection were observ
In this study,a cellulose-degrading bacterium was isolated from paddy soils in Chengdu City.After 2 d of culture,the average diameter of hydrolytic circles on C
Objective This study aimed to compare differences in the pathogenicity between genotype Ⅵ Newcastle disease virus( NDV) strains from pigeons and chickens in pi