青贮是保存和开发饲料资源，发展“节粮型”畜牧业的有效手段。我国从50年代开始对饲料青贮技术进行研究和推广，但由于生产水平和经济条件等多种因素制约，工作多属于生产性试探，对青贮饲料的发酵机制、二次发酵及防腐措施等方面的研究甚少，使得青贮饲料未能在生产上得... Silage is an effective means of saving and developing feed resources and developing “grain-saving” livestock husbandry. Since the 1950s, China has studied and popularized feed silage technology. However, due to the constraints of production factors, economic conditions and other factors, most of the work is due to productive explorations. The silage fermentation mechanism, secondary fermentation and anti-corrosion measures Little research has been done to make silage unproductive.