Abstract: Florfenicol is a a neotype broad spectrum antibiotic with activity against many gram-negative bacteria.gram-positive bacteria and mycoplasmas.wich is a derivative of chloramphenicol .

• 氟苯尼考是新型氯霉素类广谱抗菌药物，对多种革兰氏阳性菌和革兰氏阴性菌及支原体等均有作用,对革兰氏阴性菌作用较革兰氏阳性菌强。