Study on Resistance of Streptococcus Suis Against Tetracycline and Its Resistant Genes 猪链球菌对四环素类抗生素耐药性及耐药基因研究
The drug resistance of Enterococcus faecium and Enterococcus faecalis to tetracycline were increase gradully among three years. 三年间粪肠球菌和屎肠球菌对四环素耐药率均逐年升高。