英国在动物福利立法方面有五个显著特点:最早、最多、对世界影响最大、最先提出动物实验的“3R”原则、非政府机构参与执法。欧盟和其他国家制定的动物福利法,大都是以英国动物福利法为基础,结合本国情况制定的。故研究英国实验动物福利法律法规更有意义。1提出“3R”原则,等同 Britain has five distinctive features in animal welfare legislation: the earliest, the most influential and the most influential in the world. The “3R” principle of animal experiments was first proposed and the non-governmental organizations involved in law enforcement. The animal welfare laws enacted by the EU and other countries are mostly based on the British Animal Welfare Law and in accordance with the national conditions. Therefore, it is more meaningful to study the laws and regulations on experimental animal welfare in the United Kingdom. 1 Proposed “3R” principle, the same