生物活性： Tylosin 是一种兽医用大环内酯类抗生素 (antibiotic)，是 Streptomyces fradiae 的产物。Tylosin 对革兰氏阳性菌具有高效的抗菌活性。Tylosin 是一种广泛用于促进动物生长的饲料添加剂。Tylosin 被用于治疗家禽、猪和牛的细菌性痢疾和呼吸道疾病。 Biological activity： Tylosin is a macrolide antibiotic found naturally as a fermentation product of Streptomyces fradiae. Tylosin exerts potent antimicrobial activity against Gram-positive bacteria. Tylosin is widely used as a feed additive for promoting animal growth. Tylosin is used for veterinary purposes against bacterial dysentery and respiratory diseases in poultry, pigs and cattle