为了解鲜奶掺假情况，我们对三个鲜奶收购点的个体送奶户进行了随机抽样及实验室分析，同时结合这项工作探讨了奶中加水、加碱后对各种理化指标的影响，并已初步探索出牛奶中掺入牛尿及抗生素残留的快速检测方法。1材料与方法1．1材料按常规方法对80份鲜牛奶进行了比重、酸度、 In order to understand the adulteration of fresh milk, we carried out random sampling and laboratory analysis on individual milk deliveries of three fresh milk purchasing sites. At the same time, we discussed the effects of adding water and adding alkali to various physical and chemical indexes Influence, and has initially explored the milk incorporation of cow urine and antibiotic residues rapid detection method. 1 Materials and Methods 1.1 Materials According to the conventional method of 80 parts of fresh milk were gravity, acidity,