预防细菌性下痢及肠炎；减少呼吸道疾病发生；促进色素沉着。
环丙沙星在霉形体性肺炎猪体内的组织药代动力学研究
气候变化更利于呼吸道传染病流行；
1·It can prevent the like germ dysentery and enteritis, and reduce pneogaster disease, and also promote pigmentation.