当前,在养殖业生产中和兽医临床上滥用抗菌药物的现象非常普遍,不但浪费药物资源,增加养殖场(户)经济负担,而且往往造成动物体内药物残留,危害食品安全和人类健康,同时也难免出现病原菌产生耐药性、动物体内菌群失调、发生二重感染及因用药不对症而贻误治疗等恶果。畜牧业生产一线的 At present, the widespread abuse of antimicrobials in aquaculture production and in veterinary medicine is not only a waste of drug resources, increasing the economic burden on farms (households), but often results in drug residues in animals, endangering food safety and human health as well as It is inevitable that there will be drug-resistance of pathogens, imbalance of flora in animals, duplication of infection and adverse consequences such as delaying treatment due to inappropriate medication. Livestock production line