我国畜牧业自21世纪初步入了规模化、集约化的进程,经过近五年的时间,规模养殖场存栏量少则一千头,多则上万头。在规模奶牛场数量迅速发展的同时,我国畜牧业遇到了前所未有的困难,如防疫问题、饲料供应问题、机械化问题、信息化管理问题以及污粪处理问题。在所有问题中,尤以污粪处理问题更为突出, Since the beginning of the 21st century, animal husbandry in our country has entered a process of large-scale and intensive development. After nearly five years, there have been as few as 1,000 breeding farms or as many as tens of thousands of breeding farms. While the number of large-scale dairy farms is developing rapidly, animal husbandry in our country has encountered unprecedented difficulties such as epidemic prevention, feed supply, mechanization, information management and sewage disposal. Among all the problems, especially the problem of sewage treatment is more prominent,