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今普恩（20%盐酸金霉素可溶性粉）溶解实验
四环素类抗生素是由放线菌产生的一类广谱抗生素，包括金霉素、土霉素、四环素及半合成的四环素类抗生素，其分子结构均含十二氢化并四苯（见图）。
作用机理是抑制细菌蛋白质合成，高浓度可杀菌。其抗菌谱广，对革兰氏阳、阴性需氧菌和厌氧菌、立克次体、螺旋体、支原体、衣原体及某些原虫等都有抗菌活性。
金霉素自年上市以来已有70多年，曾是畜牧业饲料药物添加剂的八大抗生素产品之一，以抑菌、促生长、提高饲料利用率、机体残留低等特点被广泛使用。由于盐酸多西环素原料、制剂供应的紧张，增加了盐酸金霉素可溶性粉的市场替代需求。我公司于年7月获得该制剂批文。
为了方便终端养殖户的使用，将产品特性和使用予以介绍。
作者：张武林
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